Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888321 | Heat-sensitive recording materials | Akira Igarashi, Ken Iwakura | 1989-12-19 |
| 4885271 | Heat-sensitive recording material | Akira Igarashi | 1989-12-05 |
| 4860842 | Steering system in wheeled vehicle | Masashi Yamashita, Koichi Sugihara | 1989-08-29 |
| 4858713 | Power-assisted steering system | Harunori Shiratori, Koichi Sugihara, Atsushi Watanabe, Fumio Kishida | 1989-08-22 |
| 4833118 | Heat-sensitive recording material | Akira Igarashi, Ken Iwakura | 1989-05-23 |
| 4805714 | Power steering system with hydraulic reaction | Keiichi Nakamura, Susumu Honaga, Mikio Suzuki | 1989-02-21 |
| 4805035 | Color video and audio recording and/or reproducing apparatus | Takato Narita | 1989-02-14 |