Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4584778 | Angle change detector | Hiroshi Iiyama, Noboru Watanabe, Osamu Tanaka | 1986-04-29 |
| 4571844 | Angle change detector | Hiroshi Iiyama, Noboru Watanabe, Osamu Tanaka | 1986-02-25 |