Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809513 | Rotary position sensor having waterproof, explosion-protective structure | Hirofumi Okumura | 2004-10-26 |
| 6507270 | Linear operation type electric part | Hirofumi Okumura | 2003-01-14 |