Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11428663 | Gas sensor control device | Tadakatsu KOYABU, Yuki Murayama, Ryozo Kayama, Akari Hasegawa | 2022-08-30 |
| 11249043 | Control device for gas sensor | Toru Katafuchi, Takehito Kimata, Ryozo Kayama | 2022-02-15 |