| year/month | Timeline |
|---|
| 1971 | 【World】Intel developed the world’s first 4-bit microprocessor |
| 1973 | 【World】NS announced the IMP-16 16-bit microprocessor |
| 1974/04 | 【World】Intel developed the 8080 8-bit microprocessor |
| 1974/05 | Sord announced the SMP80/x series of microcomputer systems that ran on the i8080 CPU |
| 1974 | 【World】Gary Kildall developed CP/M, the world’s first operating system for personal computers (he later established the company Digital Research) |
| 1975/01 | 【World】MITS Inc. put Altair 8800 kit on the market |
| 1976/08 | NEC announced TK-80, a do-it-yourself PC kit for training. |
| 1977/03 | Panafacom: Develops a 16-bit learning kit with a single-chip, 16-bit microcomputer |
| 1977/04 | 【World】Apple Computer announced the Apple II, the world’s first personal computer for individual users that was completely assembled |
| 1977/09 | Sord announced the M200 Smart Home Computer series, Japan's first desktop computer that combined a keyboard, CRT display, and floppy disk drive into one integrated unit |
| 1978/05 | Sord announced the M100 home computer series as its first consumer models |
| 1978/09 | Hitachi announced a 8-bit personal computer, Basic Master MB-6880 |
| 1978/09 | Canon announced its first personal computer, the AX-1 |
| 1978/12 | Sharp put a semi-kit, MZ-80K on the market |
| 1978 | 【World】Intel announced the Intel 8086, a 16-bit CPU and the first microprocessor with the X86 architecture |
| 1978 | Matsushita Communication began selling its first personal computers, the My Brain JD-700 and JD-800 |
| 1978 | 【World】Intel developed the 16bit microprocessor, MPU 8086 |
| 1979/05 | NEC announced its first personal computer, PC-8001 |
| 1979/05 | Sord announced the M100ACE personal computer series, which added a floppy drive to the M100 series |
| 1979/11 | Sord announced the M223 Mark IV small professional computer that included a Winchester disk |
| 1980/02 | 【World】Motorola began shipping the MC 68000 microprocessor with 32-bit internal processing and a 16-bit external bus |
| 1980/05 | Oki Electric announced if800 series, the all-in-one personal computer, set printer in the machine |
| 1980 | Hitachi developed a personal computer, Basic Master Level3 MB-6890, MB-6891 which could display Kana(Japanese alphabet) |
| 1981/05 | Fujitsu announced a 8-bit personal computer, FM-8 |
| 1981/08 | 【World】IBM announced the IBM PC and used Microsoft’s MS-DOS as the PC-DOS operating system |
| 1981/12 | Mitsubishi Electric a 16-bit business personal computer, MULTI 16 |
| 1982/02 | 【World】Intel delivered 80286 microprocessor |
| 1982/07 | Shinshu Seiki and Suwa Seikosha began selling the world’s first handheld computer, the HC-20 |
| 1982/10 | Toshiba put PASOPIA 16, the 16bit Japanized MS-DOS based personal computer |
| 1982/10 | NEC announced a 16-bit personal computer, PC-9801 |
| 1982/10 | Sord announced the M5 creative computer |
| 1982/11 | 【World】Compaq put the portable personal computer on the market |
| 1982/11 | Canon launched the AS-100 16-bit personal computer for business use |
| 1982/11 | Sony announced the SMC-70, a microcomputer with an emphasis on graphics performance |
| 1982/11 | 【World】Compaq put the portable personal computer on the market |
| 1982 | Hitachi developed a 16-bit personal computer, 16000 series MB 16001 |
| 1982 | Tomy began selling the Pyuta, a 16-bit hobbyist personal computer |
| 1983/01 | 【World】Apple Computer put Lisa on the market |
| 1983/06 | Ricoh developed the SP200, a high-performance personal computer with 10 built-in functions |
| 1983/09 | Sony announced the SMC-777 (three-seven), a personal computer with a built-in 3.5-inch floppy disk drive |
| 1983/10 | NEC Corporation: Launches the PC-100 |
| 1983/10 | Sony announced the HIT BIT HB-55, a home-use personal computer compatible with the MSX architecture standard |
| 1983/11 | 【World】Microsoft announced Windows, a GUI-driven operating system |
| 1983 | Hitachi developed a 16-bit personal computer for OA, FA, B series B-16 |
| 1983 | 【World】Apple Computer put Lisa on the market |
| 1983 | 【World】Novel put Netware on the market |
| 1984/01 | Sord announced the IS-11 (Success) book-sized computer that was supplied with integrated software |
| 1984/01 | 【World】Apple began shipping Mac OS, an operating system for Macintosh computers that included a graphical user interface (initially, it was simply called the System, and KanjiTalk in Japan, but it subsequently became known as the Mac OS from 1997 on) |
| 1984/03 | Sony announced the HIT BIT HB-75, a home-use personal computer compatible with the MSX architecture standard |
| 1984/08 | 【World】IBM announced the PC/AT computer that would be the basis for IBM PC compatibles |
| 1984/12 | Fujitsu announced a 16-bit personal computer for business use, FM16 β(Beta ) |
| 1984 | 【World】Motorola began shipping the MC 68020 32-bit microprocessor |
| 1985/04 | Toshiba cultivated a personal laptop computer market and put T-1100 (overseas model)on the market |
| 1985/10 | Fujitsu announced AV(Audio and Visual) personal computer, FM77AV with simultaneous 4096-color display |
| 1985/11 | 【World】Intel announced and began shipping the 16 MHz 80386DX 32-bit microprocessor |
| 1986/01 | Toshiba put T-3100, the world's first personal laptop computer with a build-in HDD on the overseas market |
| 1986/04 | 【World】IBM and Microsoft announced the OS/2 operating system for personal computers, as the replacement for PC-DOS and MS-DOS |
| 1986/07 | Ricoh developed Mr. Mytool, a fully featured, space-saving personal computer that was fully integrated with Ricoh's Mytool software |
| 1986/09 | Sony announced the HB-F1, a personal computer compatible with the MSX2 architecture standard |
| 1986/10 | NEC announced PC-98LT, a laptop computer which used self-developed 16-bit MPU |
| 1986 | Sharp announced a 16bit personal computer, X68000 using MC68000. |
| 1987/01 | Fujitsu announced a personal computer for business use, FM-R series (consisting of 3 model) |
| 1987/04 | SEIKO-EPSON put NEC-compatible personal computer, EPSON PC-286 model 0 on the market |
| 1987/09 | NEC announced PC-98XL², a 32-bit personal computer which had Intel 80386 MPU |
| 1987/09 | Fujitsu announced a 32-bit personal computer for business use, FM R-70 |
| 1987/10 | Toshiba put T-5100, the world's first 32-bit personal laptop computer on the overseas market |
| 1987/11 | SEIKO-EPSON put the NEC PC-98 full-compatible personal computer, EPSON PC-286L series on the market |
| 1987 | 【World】Motorola began shipping the MC 68030 32-bit microprocessor with an internal MMU |
| 1988/05 | Mitsubishi Electric announced the personal computer for AX, MAXY |
| 1988/07 | Oki Electric announced if800EX series, the 32-bit personal computer |
| 1988/10 | Seiko Epson announced the Epson PC-386, a 32-bit personal computer |
| 1988/12 | Oki Electric announced if800AX series, the 32-bit laptop personal computer based on the AX standard |
| 1989/02 | Fujitsu announced a 32-bit hyper media personal computer, FM TOWNS |
| 1989/04 | 【World】Intel announced the 25 MHz 80486DX 32-bit microprocessor |
| 1989/06 | Toshiba put a notebook-style personal computer, J-3100 SS01 first in the world |
| 1989/07 | NEC announced PC-9801LX5C, the first laptop computer with colared display in Japan |
| 1989/09 | SEIKO-EPSON put a notebook-style personal computer, EPSON PC-286 NOTE exective |
| 1989/10 | NEC announced its first notebook-syle personal computer, PC-9801N |
| 1989 | Hitachi developed the personal work tool, PROSET 30 |
| 1990/02 | Toshiba announced the PC DynaBook J-3100 SS02E with an internal 2.5-inch hard disk drive |
| 1990/05 | NEC announced 98NOTE SX, the first 32-bit notebook-style personal computer in Japan |
| 1990/05 | NEC announced PC-9801T model F5, which had a 8-colar TFT liquid crystal panel display. |
| 1990/08 | Oki Electric announced ifNOTE series, the 32-bit notebook style personal computer |
| 1990 | 【World】Motorola began shipping the MC 68040 32-bit microprocessor with an internal FPU and MMU |
| 1991/04 | Mitsubishi Electric announced the Apricot Qi workstations and LAN terminals for full-fledged client-server systems |
| 1991/05 | 【World】Timothy John Berners-Lee announced the World Wide Web (WWW) for the first time at CERN |
| 1991/05 | Hitachi announced five FLORA series models of personal stations that fused together the company’s computer and workstation families and were the industry’s first to support the AX Consortium’s AX-VGA standard |
| 1991/10 | NEC announced the PC-9801NC notebook computer, the first notebook in the world with a color LCD screen |
| 1991/10 | Oki Electric announced the if Note 40 series of notebook computers designed specifically for the network era |
| 1991/10 | Oki Electric announced the if 486 VX series with an AX standard display architecture and connectable to SCSI-bus file storage devices |
| 1991/10 | Toshiba announced the DynaBook V386/20 J-3100 SX notebook computer with a VGA-compatible LCD screen |
| 1992/04 | 【World】Microsoft announced Windows 3.1 (subsequently, Windows became the main installed operating system in Japan) |
| 1992/04 | Toshiba announced the DynaBook V486 J-3100 XS notebook computer with a TFT color LCD screen that could display 256 colors |
| 1992/05 | Seiko Epson announced the Epson PC-486GR, a 486 desktop personal computer |
| 1992/09 | Oki Electric announced the if PEN 30, a pen-interface computer that accepted handwritten Japanese inputs |
| 1992/09 | Mitsubishi Electric announced the Apricot NT386SL, a notebook computer running DOS/V |
| 1993/02 | 【World】The first alpha version of the Mosaic WWW browser was released |
| 1993/03 | 【World】Intel announced the Pentium processor as the successor to the i486 |
| 1993/03 | Mitsubishi Electric announced the AMiTY, a pen tablet with a built-in hard drive |
| 1993/05 | Toshiba announced the DynaBook EZ486P notebook with a built-in printer |
| 1993/07 | 【World】Microsoft released Windows NT, the company’s first 32-bit operating system and, later, became the primary operating system for the company’s PC servers and workstations |
| 1993/10 | Fujitsu announced the FMV series of AT compatibles, a first for the company |
| 1993/11 | Seiko Epson announced the Epson PC-486HX, an upgradable desktop personal computer |
| 1994/01 | Oki Electric announced a line of DOS/V computers that used the OADG architecture |
| 1994/05 | Fujitsu announced the FM TOWNS II Fresh ・ TV computer with built-in television functionality |
| 1994/06 | Hitachi announced the FLORA 3010 DV, a desktop computer that accepted multiple processors, a first for a Japanese computer maker |
| 1994/07 | NEC announced the PC-9821Ce2, a computer that could receive TV broadcasts |
| 1994/07 | Toshiba announced the DynaBook SS433, the world’s first B5-sized subnotebook with a built-in floppy drive |
| 1994/10 | Fujitsu announced the FMV-DESKPOWER series of all-in-one desktop computers |
| 1995/02 | Fujitsu announced the FMV BIBLO series of all-in-one notebook computers |
| 1995/02 | Fujitsu announced the FM TOWNS II SN model, a notebook specifically designed for the education field |
| 1995/03 | 【World】Yahoo was established, creating the world’s first Web search business |
| 1995/05 | Seiko Epson announced the Epson PC-586RJ, which was equipped with a Pentium processor |
| 1995/08 | 【World】Microsoft began shipping Windows 95, an operating system that was well matched for the Internet age and permitted use of Internet Explorer; Windows 95 subsequently was widely installed by businesses and individuals |
| 1995/10 | Hitachi announced a line of slim notebooks and all-in-one multimedia computers that supported Windows 95 |
| 1995/10 | Ricoh developed the Super Note CS, a first-generation notebook computer loaded with business software |
| 1995/11 | Fujitsu announced the FMV-TOWNS series, which combined the FMV and FM TOWNS series |
| 1995/11 | Toshiba rolled out the DynaBook GT-R590 notebook loaded with Windows 95 |
| 1996/03 | Mitsubishi Electric announced the AMiTY SP, a mobile computer with an A5-file footprint |
| 1996/04 | Toshiba rolled out the Libretto 20, the world’s smallest and lightest mini-notebook computer |
| 1996/05 | Oki Electric announced a line of all-in-one desktop computers for the consumer market |
| 1996/06 | Panasonic rolled out the first generation of the Let's Note AL-N1 computers that were distinguished by their light weight and small footprint |
| 1996/09 | Panasonic completed the CF-25 — the first Toughbook, a rugged personal computer that could stand up to harsh outdoor environments |
| 1997/03 | Hitachi announced the FLORA 300 series of slim desktops that included models with built-in LCD monitors |
| 1997/06 | Sony announced three models in the VAIO home-use personal computer series: the PCV-T700MR, the PCG-707, and the PCG-705 |
| 1997/09 | Mitsubishi Electric announced the Pedion, the worldユs thinnest and lightest A4-sized notebook computer |
| 1997/10 | NEC announced the PC-98 NX series of 200 models in 26 configurations, which incorporated the PC 97/PC 98 system design architecture |
| 1997/10 | Sony announced the VAIO PCG-505, a B5-sized notebook |
| 1997/11 | Fujitsu announced the FMV-DESKPOWER Pliche, a stylish computer aimed at female users |
| 1997/11 | Toshiba announced the DynaBook Tecra 750 DVD/5.1, a high-end notebook computer with a DVD-ROM drive |
| 1998/06 | Toshiba announced the DynaBook SS PORTÉGÉ 3000 series of slim, B5-sized subnotebooks that were the world’s thinnest and lightest |
| 1998/07 | NEC announced 54 models in 21 configurations, including the ValueStar NX desktop running Windows 98 for the general-consumer market |
| 1998/09 | 【World】Google was established as a company to provide search services using its PageRank technology |
| 1998/10 | Fujitsu announced the FMV LIFEBOOK series of business notebooks that could be custom ordered |
| 2000/02 | Hitachi announced the FLORA 30DV, a low-priced desktop computer for the business market that was sold together with a CRT monitor for only \70,000 |
| 2000/09 | Fujitsu announced the FMV-BIBLO LOOX, a new concept mobile computer with high-speed wireless communication functions built in |
| 2000/09 | Toshiba announced the DynaBook DB70P/5MC all-in-one notebook computer with the world’s first multi-drive (a combined CD-ROM, CD-R/RW, and DVD-ROM drive) |
| 2000/11 | NEC announced several computers including the business-oriented Mate MA15S/MZ, which packaged a Pentium 4 processor, Intelユs latest CPU, in a mini-tower desktop configuration |