Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7352656 | Radio wave timepiece | — | 2008-04-01 |
| 7345957 | Wave timepiece | — | 2008-03-18 |
| 6860022 | Electronic instrument having a magnetic sensor | Kazuo Kato | 2005-03-01 |
| 6640454 | Electronic instrument having a magnetic sensor | Kazuo Kato | 2003-11-04 |