Issued Patents All Time
Showing 226–246 of 246 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888211 | Process for preparation of vertical magnetic recording medium | Tetsuo Oka, Takayoshi Akamatsu, Satoshi Horiuchi | 1989-12-19 |
| 4884052 | Contact structure for slider position sensor | Kenji Eitoku, Mamoru Tateishi | 1989-11-28 |
| 4867476 | Shock absorber unit | Toshihiko Yamanaka | 1989-09-19 |
| 4858136 | Method of and apparatus for controlling fuel injection quantity for internal combustion engine | Yoshiyuki Tanaka, Akira Ii, Taiichi Meguro | 1989-08-15 |
| 4851164 | Method of manufacturing focal plates | — | 1989-07-25 |
| 4830357 | Sorting machine | Chikado Goto, Toshio Sakuuchi | 1989-05-16 |
| 4774923 | Pressure regulating valve | — | 1988-10-04 |
| 4728767 | Welding gun apparatus | — | 1988-03-01 |
| 4726988 | Vertical magnetic recording medium | Tetsuo Oka, Takayoshi Akamatsu, Satoshi Horiuchi | 1988-02-23 |
| 4719795 | Throttle valve opening sensor | Kenji Eitoku | 1988-01-19 |
| 4715220 | Throttle valve opening sensor | Kenji Eitoku | 1987-12-29 |
| 4703649 | Throttle valve opening sensor | Kenji Eitoku | 1987-11-03 |
| 4702980 | Conductive sheet and electrostatic recording medium formed therefrom | Kazuo Matsuura, Katuzi Nakahara | 1987-10-27 |
| 4648918 | Abrasion resistant aluminum alloy | Kazuhiko Asano, Osamu Takezoe, Yoshinori Yasuda, Masanobu Aoki, Yoshio Doi +1 more | 1987-03-10 |
| 4551777 | Tracking servo system for magnetic recording and reproducing apparatus using flexible magnetic disk | Tadashi Saito, Shigemitsu Higuchi, Kazutoshi Konno, Tohru Sampei, Yoshihiko Noro +1 more | 1985-11-05 |
| 4445820 | Electrically powered pump | Kiyoshi Kato | 1984-05-01 |
| 4386130 | Laminated film | Shoji Kobayashi, Keisuke Ohshima | 1983-05-31 |
| 4303210 | Tape drive device | Masahiko Fujita, Kazutoshi Konno | 1981-12-01 |
| 4300490 | Air-fuel mixture ratio correcting system for carburetor | Tadashi Hattori, Shigetaka Takada, Toshiharu Iwata | 1981-11-17 |
| 4298550 | Carburetor | — | 1981-11-03 |
| 4224348 | Process for improving the properties of gelatin | Mitsuo Washizawa, Shuji Yokoo | 1980-09-23 |