Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857275 | Thick-film gas-sensitive element | Keizo Furusaki, Mineji Nasu, Toshitaka Matsuura, Teppei Okawa | 1989-08-15 |
| 4825683 | Apparatus for evaluating an oxygen sensor | Ken Minoha, Mineji Nasu, Toshifumi Sekiya, Toshitaka Matsuura, Akio Mizutani +1 more | 1989-05-02 |