Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6328866 | Ion sensor and ion sensor plate | Shoichiro Hirakuni, Keiichi Ida, Masatsugu Suzuki | 2001-12-11 |
| 5078855 | Chemical sensors and their divided parts | Hideyo Iida | 1992-01-07 |
| 4921591 | Ion sensors and their divided parts | Hideyo Iida | 1990-05-01 |