Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855795 | Photosensor | Hideaki Yamamoto, Akira Sasano, Haruo Matsumaru, Toshihisa Tsukada | 1989-08-08 |
| 4834458 | Seat cushion structure | Satoshi Izumida, Katsumi Kitamura, Masaru Kurita | 1989-05-30 |
| 4812839 | System for controlling network activation sequence | Sumie Okada, Takashi Nara, Takashi Hatano, Yutaka Kawato, Ryoji Shimozono +2 more | 1989-03-14 |
| 4809504 | Control system for controlling input power to variable displacement hydraulic pumps of a hydraulic system | Eiki Izumi, Hiroshi Watanabe, Shigetaka Nakamura | 1989-03-07 |
| 4811142 | Magnetic head for vertical magnetic recording and method of producing same | Keishi Nakashima, Tetsuya Iwata, Toshiaki Hashidate | 1989-03-07 |