Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887133 | Printer | Kunihiko Ikeda, Shigeru Suzuki, Takashi Yokota, Akira Shimura, Yutaka Kodama +2 more | 1989-12-12 |
| 4834477 | Method of controlling the temperature of semiconductor laser in an optical device | Susumu Imakawa | 1989-05-30 |