Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4686157 | Fuel cell power system | Yasuo Miyake, Masato Nishioka, Yasuhiko Itoh | 1987-08-11 |
| 4678856 | Method of manufacturing aromatic urethane and intermediate product thereof | Takao Ikariya, Masanori Itagaki, Masatsugu Mizuguchi, Itaru Sakai | 1987-07-07 |
| 4674070 | Optical type disc with V-shaped groove and optical type reproducing apparatus therefor | Shigehiro Ito | 1987-06-16 |
| 4640873 | Temperature control system for fuel cell powerplant | Makoto Yamada, Hideo Hagino, Nobuyoshi Nishizawa | 1987-02-03 |
| 4589103 | Tilt compensation tracking control system for optical discs | — | 1986-05-13 |
| 4515351 | Method and apparatus for manufacturing non-fired iron-bearing pellet | Michio Nakayama, Seiji Matsui, Hideyuki Yoshikoshi, Hiroshi Fukuyo | 1985-05-07 |
| 4504938 | Device for feedback controlling focus of an optical system in an information recording/reproducing apparatus | — | 1985-03-12 |
| 4468253 | Method and apparatus for continuously manufacturing non-sintered pellet | Seiji Matsui, Hideyuki Yoshikoshi, Tsuneo Miyashita, Michio Nakayama | 1984-08-28 |
| 4432788 | Method for manufacturing non-fired iron-bearing pellet | Michio Nakayama, Seiji Matsui, Hideyuki Yoshikoshi, Hiroshi Fukuyo | 1984-02-21 |
| D271688 | Pre-recorded cartridge video/audio disk | Takashi Yamamura, Masafumi Mochizuki, Yoichi Mita | 1983-12-06 |
| 4419709 | Case for a disc-shaped recording medium | Takashi Saito, Masafumi Mochizuki | 1983-12-06 |
| 4410976 | Signal pickup device in a rotary recording medium reproducing apparatus | Masayoshi Uchida | 1983-10-18 |
| 4387454 | Disc-shaped recording medium reproducing apparatus | Takashi Yamamura | 1983-06-07 |
| 4382293 | Signal pickup device in rotary recording medium reproducing apparatus | Takefumi Shioiri | 1983-05-03 |
| 4380780 | Disc-shaped recording medium reproducing apparatus | Atsumi Hirata, Isami Kaneda, Hiroyuki Sugiyama, Takashi Saito, Masafumi Mochizuki | 1983-04-19 |
| D267714 | Pre-recorded cartridge video/audio disk | Takashi Yamamura, Yoichi Mita, Masafumi Mochizuki | 1983-01-25 |
| 4360845 | Case for a disc-shaped recording medium | Takashi Yamamura, Masafumi Mochizuki, Yoichi Mita | 1982-11-23 |
| 4360909 | Signal pickup device in a rotary recording medium reproducing apparatus | — | 1982-11-23 |
| 4352174 | Disc-shaped recording medium reproducing apparatus | Takashi Yamamura, Masafumi Mochizuki, Yoichi Mita | 1982-09-28 |