Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6728811 | Input/output device for connection and disconnection of active lines | Tsutomu Yamada, Kenichi Kurosawa, Yasuo Kaminaga, Akihiro Ohashi | 2004-04-27 |
| 6393509 | Input/output device for connection and disconnection of active lines | Tsutomu Yamada, Kenichi Kurosawa, Yasuo Kaminaga, Akihiro Ohashi | 2002-05-21 |
| 6289407 | Input/output device for connection and disconnection of active lines | Tsutomu Yamada, Kenichi Kurosawa, Yasuo Kaminaga, Akihiro Ohashi | 2001-09-11 |
| 6038615 | Input/output device for connection and disconnection of active lines | Tsutomu Yamada, Kenichi Kurosawa, Yasuo Kaminaga, Akihiro Ohashi | 2000-03-14 |