Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876996 | Method of manufacturing gas sensor and method of removing oil | Hiroyuki Tanaka, Koji Egawa, Kenji Isaka | 2020-12-29 |
| 10054573 | Method for fitting protection tube to gas sensor | Kenji Isaka, Nobukazu Ikoma | 2018-08-21 |