Issued Patents 1989
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882252 | Electrophotographic sensitive member with amorphous silicon carbide | Takao Kawamura, Naooki Miyamoto, Hitoshi Takemura, Kazumasa Ohkawa, Kokichi Ishibitsu | 1989-11-21 |
| 4875488 | System for measuring the volume of a part of a human body | Hideaki Shimazu, Kenichi Yamakoshi | 1989-10-24 |
| 4870120 | Cement dispersant | Tsuneo Tsubakimoto, Hideyuki Tahara, Hiroya Kobayashi, Tsuyoshi Hirata | 1989-09-26 |
| 4840247 | Device for controlling 4wd vehicle central differential restriction device according to front and rear wheels rotational speed difference, and method of operation thereof | Yuji Kashihara, Yutaka Tage, Yasunari Nakamura, Tokuyuki Takahashi | 1989-06-20 |
| 4840593 | Low pressure mercury vapor discharge lamp and preparation thereof | Takao Takeda, Hitoshi Yamazaki, Yoshiteru Taniguchi, Norihiko Tanaka, Minoru Uchida +1 more | 1989-06-20 |
| 4839525 | Method of and apparatus for measuring coordinates of edges of tape | Yukio Kano, Kuniyuki Yoshikawa, Hideaki Kishida, Mitsutoshi Maeda | 1989-06-13 |
| 4831892 | Automatic transmission with overdrive | Yoshio Shindo | 1989-05-23 |
| 4827289 | Thermal head | Shiro Tsuji, Eizo Naya, Takashi Yamanaka, Yoshihiro Usui, Noriyuki Hasebe | 1989-05-02 |
| 4809762 | Method of casting a composite metal article | Terumi Nagao, Toshiki Takeda, Yohikuni Maruyama, Toshitake Kanno | 1989-03-07 |
| 4796661 | Proportional electro-hydraulic pressure control valve | Yasuo Hishinuma | 1989-01-10 |