Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825684 | Method of testing semiconductor pressure sensor | Masanori Nishiguchi, Katsuyoshi Sunago | 1989-05-02 |
| 4809704 | Catheter type sensor | Taketsune Morikawa, Koro Yotsuya, Masanori Nishiguchi, Munekazu Imamura, Yasuhiko Shirakura | 1989-03-07 |