Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5178744 | Oxygen sensor device | Mitsuhiro Nakazawa, Kousei Ishibashi, Hideo Yamamoto, Takafumi Kashima, Katsuaki Nakamura | 1993-01-12 |
| 4571285 | Oxygen sensor for and method of determining concentration of oxygen | Mitsuhiro Nakazawa, Hiroshi Osanai, Yoshiya Isono, Hitoshi Ohira | 1986-02-18 |