Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4689770 | Semiconductor memory device | Hiroshi Miyamoto, Koichiro Mashiko, Toshifumi Kobayashi | 1987-08-25 |
| 4641281 | Dynamic random access memory with hidden refresh control | Koichiro Mashiko, Kazutami Arimoto, Hiroshi Miyamoto, Toshifumi Kobayashi, Yoshikazu Morooka | 1987-02-03 |
| 4243897 | Charge coupled semiconductor device storing 2-bit information | Kazuyasu Fujishima, Kouichi Nagasawa | 1981-01-06 |
| 4235554 | Keyboard signal storage mechanism | — | 1980-11-25 |