Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879503 | Blower motor control for an air conditioner | Hideki Aoki, Hirotaka Sakamoto | 1989-11-07 |
| 4841275 | Thick-film integrated circuit device capable of being manufactured by means of easy-to-perform trimming operation | — | 1989-06-20 |