| Year | Month | Japan | Month | World |
| 1965 |
|
|
08 | DEC announced the world's first minicomputer, PDP-8 |
| 1969 |
02 |
Hitachi developed its first minicomputer, HITAC 10 in Japan |
| |
| 1969 |
03 |
Fujitsu announced a minicomputer, FACOM R |
| |
| 1969 |
07 |
NEC announced a minicomputer, NEAC M4 |
| |
| 1969 |
07 |
Oki Electric announced OKITAC-4300, mincomputer called the 10 thousand doller computer |
| |
| 1969 |
09 |
Matsushita Communication announced minicomputers, MACC-7 and MACC-7/S |
| |
| 1970 |
04 |
Oki Electric announced OKITAC-4500, minicomputer for scientific system, measurement system and process control system |
| DEC announced the minicomputer, PDP-11(16bit) |
| 1970 |
09 |
Toshiba announced its company-first mini computer, TOSBAC-40A (16bit) |
| |
| 1971 |
11 |
Mitsubishi Electric announced the best performance minicomputer, MELCOM 70 in Japan |
| |
| 1972 |
08 |
Fujitsu announced a multi purpose, mini computer, FACOM U-200 |
| |
| 1972 |
10 |
Hitachi developed the minicomputer, HITAC 10 II (16bit) which was successor model of HITAC 10 |
| |
| 1975 |
06 |
Panafacom(now, PFU) announced a 16-bit mini computer using LSI processor first in Japan, PANAFACOM U-100 |
| |
| 1975 |
07 |
Oki Electric announced OKITAC system 50 series, mincomputer adapted for real-time and multi-task processing |
| |
| 1975 |
12 |
Hitachi developed HITAC 20 which was the high-end model of HITAC 10 II |
| |
| 1976 |
04 |
Mitsubishi Electric announced minicomputer, MELCOM70/20, 25and 35 which adopted the bipolar-LSI(16bit) first in Japan |
| |
| 1978 |
01 |
Toshiba announced TOSBAC-7/70, the Japan's first 32-bit archtectured super minicomputer |
10 | DEC announced the super-minicomputer, VAX-11/780 |
| 1978 |
02 |
NEC announced NEAC MS computer, a minicomputer for full-scale distributed prcessing. |
| |
| 1978 |
07 |
Fujitsu & Panafacom(now, PFU) announced a 16-bit minicomputer, PANAFACOM U-1000 series (consisting of three model) |
| |
| 1978 |
09 |
Mitsubishi Electric announced MELCOM 70 sereies ranging from board-style minicomputer to Japanese highest performance machine |
| |
| 1981 |
03 |
Hitachi developed HITAC E-600 series, a successor model to HITAC 10 II series |
| |
| 1981 |
05 |
Toshiba put a scientific super minicomputer(32bit), TOSBAC data system 600 on the market |
| |
| 1981 |
09 |
Hitach developed a 32-bit super minicomputer, HITAC E-800 series a successor model to HITAC 20 |
| |
| 1982 |
01 |
NEC announced MS190, a 32-bit minicomputer with the highest speed in the world. |
| |
| 1982 |
05 |
Oki Electric announced OKITAC system 50V series, mincomputer adapted to distributed processing and Japanese language processing |
| |
| 1982 |
10 |
Toshiba put TOSBAC UX-300, the Japanized UNIX-based scientific desktop computer on the market |
| |
| 1983 |
02 |
Fujitsu & Panafacom(now, PFU) announced their first 32-bit super minicomputer, S-3000 series (consisting of two model) |
| |
| 1984 |
05 |
Mitsubishi Electric announced a super minicomputer(32-bit), MELCOM 70 MX/3000 |
| |
| 1985 |
09 |
Mitsubishi Electric a small sized and high performance, super minicomputer(32-bit), MELCOM 70 MX/2000 series |
| |
| 1986 |
06 |
NEC announced MS4100 series, a super-minicomputer which registered the highest price/performance ratio in Japan |
| |
| 1987 |
04 |
Fujitsu & Panafacom(now, PFU) announced a 32-bit super minicomputer, A(pronouncing as Ace) series (consisting of 7 model) using UNIX OS |
| |
| 1988 |
04 |
Mitsubishi Electric announced high-end super minicomputer(32-bit), MELCOM 70 MX/5000 series |
| |
| 1988 |
07 |
Oki Electric announced OKITAC8300, the 32-bit super mincomputer |
| |
| 1989 |
01 |
Mitsubishi Electric announced minicomputer, MELCOM 70 MX/5000-SP series which had automatic vectorized FORTRAN and vectorial processor fisrt in Japan |
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