Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840308 | Automotive air conditioning system damper position control | Toshimi Isobe, Seiichi Hoshino | 1989-06-20 |
| 4834283 | Automotive air conditioning system | Toshimi Isobe, Seiichi Hoshino | 1989-05-30 |
| 4832258 | Measuring circuit for use in device for detecting ambient air temperature | Seiichi Hoshino, Yasuji Tamura, Toshimi Isobe | 1989-05-23 |