| Year | Month | Japan | Month | World |
| 1964 |
02 |
Hitachi & Japan Railroad developed the seat-reservation system, MARS-101 |
04 | IBM annonced IBM S/360 |
| 1964 |
04 |
NEC announced an economical small computer, NEAC-2200 |
| |
| 1964 |
05 |
Fujitsu announced a medium (scale) general purpose computer, FACOM 230(later renamed to FACOM 230-30) |
| |
| 1964 |
09 |
Hitachi developed HITAC 5020, the first large general purpose computer in Japan |
| |
| 1964 |
10 |
Toshiba developed a digital scientific computer(micro -programming), TOSBAC 3400 with Univ. of Kyoto |
| |
| 1964 |
10 |
Toshiba made a contract of technological support by GE |
| |
| 1964 |
11 |
Electric Computer Technology Research Association developed a very large computer, FONTAC |
| |
| 1965 |
03 |
ETL developed the large transistor-computer, ETL Mark VI |
04 | IBM announced IBM S/360 model 65, 75 |
| 1965 |
03 |
Fujitsu announced a small business computer, FACOM 230-10 |
| |
| 1965 |
05 |
NEC announced NEAC series 2200, which was the first one-machine-concept model in Japan |
| |
| 1965 |
05 |
Bank of Mitsui began to operate the online-banking system |
| |
| 1965 |
09 |
Hitachi announced medium and large, general purpose computer, HITAC 8000 series |
| |
| 1965 |
11 |
Toshiba announced a digital business-computer (micro-programming), TOSBAC-5100 |
| |
| 1965 |
12 |
Hitachi: Announced the HITAC-8100 samll business coomputer. |
| |
| 1966 |
01 |
Mitsubishi Electric announced a family-concept computer, MELCOM3100 series |
| |
| 1966 |
10 |
NEC developed NEAC series 2200 model 500, a large scale general purpose computer which used IC's in full scale first in Japan. |
| |
| 1966 |
10 |
Japan Software Co.Ltd. was established by NEC, Hitachi and Fujitsu |
| |
| 1966 |
12 |
VHSCS(Very High Speed Computer System)project started |
| |
| 1967 |
08 |
Hitachi announced HITAC 8210, the medium-scale, general purpose computer using integrated circuits |
| |
| 1967 |
12 |
Oki-Univac Co., Ltd. developed OUK9400, adopted the disk operating system, builded with integrated circuits |
| |
| 1968 |
01 |
Osaka Univ. began to operate the time sharing system, MAC system first in Japan |
| IBM developed IBM S/360 model 85(the first cache memory model) |
| 1968 |
03 |
Fujitsu developed a large general purpose computer, FACOM 230-60 using integrated circuits(supporting multiprocessor system) |
| |
| 1968 |
08 |
Fujitsu announced a medium and large scale general purpose computer built with integrated circuits, FACOM 230-25, 35 and 45 |
| |
| 1968 |
10 |
NTT made a trial experiment of cooperative use of TSS by DIPS-0 multi processor |
| |
| 1968 |
11 |
NEC announced a very large TSS computer, NEAC series 2200 model 700 |
| |
| 1969 |
04 |
NTT, NEC, Hitachi and Fujitsu began to do cooperative research about the large data-communication computer, DIPS-1 |
| |
