Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833372 | Control circuit for electric motor | Mamoru Kobayashi | 1989-05-23 |
| 4819014 | Ink jet recording head | Takeshi Yasuhara | 1989-04-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833372 | Control circuit for electric motor | Mamoru Kobayashi | 1989-05-23 |
| 4819014 | Ink jet recording head | Takeshi Yasuhara | 1989-04-04 |