Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533837 | Keyboard-equipped apparatus such as an electronic calculator with battery throw means for enabling a power supply circuit | Shinichi Tanaka | 1985-08-06 |
| 4463440 | System clock generator in integrated circuit | Yoshikazu Nishiura, Kazuo Inoue | 1984-07-31 |