Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7958478 | Production method, design method and design system for semiconductor integrated circuit | Toshiyuki Saito | 2011-06-07 |
| 4754175 | Solid state relay having a thyristor discharge circuit | Shigeki Kobayashi, Kenji Ogawa | 1988-06-28 |
| 4302687 | Semiconductor switch | Tsuyotake Sawano, Tokuo Takeuchi | 1981-11-24 |
| 4264786 | A.C. Signal current transmission trunk circuit for telephone exchange systems | Tsuyotake Sawano | 1981-04-28 |