Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476582 | Battery power supply apparatus | Saburo Yokokura, Toshiaki Matsui | 2002-11-05 |
| 4912451 | Heterojunction magnetic field sensor | Yoshinobu Sugiyama, Hajime Soga | 1990-03-27 |