Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5841389 | Two-step parallel A/D converter | Norihide Kinugasa, Mitsuhiko Otani, Shinichi Ogita | 1998-11-24 |
| 4587070 | Method for manufacture of waterproof fibrous plate | Hajime Niwa | 1986-05-06 |