Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887186 | Multi-layered dielectric element | Sohji Tsuchiya, Yoshio Watanabe, Satoshi Sekido | 1989-12-12 |
| 4832818 | Air/fuel ratio sensor | Satoshi Sekido, Sohji Tsuchiya | 1989-05-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887186 | Multi-layered dielectric element | Sohji Tsuchiya, Yoshio Watanabe, Satoshi Sekido | 1989-12-12 |
| 4832818 | Air/fuel ratio sensor | Satoshi Sekido, Sohji Tsuchiya | 1989-05-23 |