| Year | Month | Japan | Month | World |
| 1970 |
|
|
| Bell Labs. developed UNIX |
| 1972 |
|
|
| B.Kernighan & D.Ritchie developed C Programming Language |
| 1973 |
|
|
04 | Xerox developed Alto |
| 1980 |
|
|
| Three River Computer delivered PERQ |
| 1981 |
|
|
03 | Apollo Computer delivered DOMAIN |
| 1981 |
|
|
04 | Xerox announced Star |
| 1982 |
|
|
05 | Sun Microsystems announced Sun-1 |
| 1985 |
05 |
Oki Electric announced if1000 UNITOPIA series, the 32-bit UNIX workstaion |
| |
| 1985 |
09 |
Hitachi announced WS 2050, 2020 for OA |
| |
| 1986 |
09 |
NEC announced EWS4800, the first engineering workstation, which adapted to full media in the world |
| |
| 1986 |
10 |
Mitsubishi Electric announced its multi media engineering workstation, ME1000 series |
| |
| 1986 |
|
Sony developed NWS-800 |
| |
| 1987 |
05 |
Fujitsu announced a 32-bit business workstation, FACOM G series (consisting of 3 model) |
| |
| 1987 |
06 |
Fujitsu announced an engineering workstation, FACOM G-250 and 250C |
| |
| 1987 |
08 |
Hitachi developed a 32-bit workstation, 2050/32 for OA |
| |
| 1988 |
05 |
Hitachi developed a 32-bit workstation, 2020/32 for OA |
| |
| 1988 |
09 |
Mitsubishi Electric announced an engineering workstation, ME 100, 200 and 400 |
| |
| 1988 |
|
Hitachi developed an engineering workstation, 2050G |
| |
| 1990 |
05 |
NEC announced EWS 4800/220, 260, a super-station with RISC chip |
| Sun Microsystems announced SPARCstation 2 |
| 1990 |
|
Toshiba announced the laptop UNIX workstation (RISC chip) first in the world |
| |
