Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362765 | Method of manufacturing a gas sensing device | Hisahito Ogawa, Masahiro Nishikawa, Satoshi Sekido, Shigeru Hayakawa | 1982-12-07 |
| 4313338 | Gas sensing device | Hisahito Ogawa, Masahiro Nishikawa, Satoshi Sekido, Shigeru Hayakawa | 1982-02-02 |