Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4958222 | Semiconductor integrated circuit device | Tetsuya Iida, Junkei Goto | 1990-09-18 |
| 4953108 | Document processor having a document composition function | Takahiro Kato, Masaki Hamada, Yukari Shibuya | 1990-08-28 |
| 4886995 | Heater for indirectly-heated cathode | Sachio Koizumi | 1989-12-12 |