Issued Patents All Time
Showing 201–223 of 223 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4762755 | Ferromagnetic material and a magnetic head using the same material | Kazuo Shiiki, Noriyuki Kumasaka, Yoshihiro Shiroishi, Yoshihiro Hamakawa, Noritoshi Saito +3 more | 1988-08-09 |
| 4722206 | Lock system for hinged window-mounted back door | Masao Iwata, Masamitsu Murakami | 1988-02-02 |
| 4720836 | Distributed feedback semiconductor laser | Tadashi Fukuzawa, Hiroyoshi Matsumura, Shinji Tsuji, Kenji Hiruma | 1988-01-19 |
| 4690861 | Magneto optical recording medium | Yujiro Kaneko, Yasuo Sawada, Hajime Machida, Fumiya Omi, Atsuyuki Watada | 1987-09-01 |
| D290699 | Loudspeaker | Tetsuo Ohtsuji | 1987-07-07 |
| 4670322 | Metal oxide magnetic substance and a magnetic film consisting thereof and their uses | Hazime Machida, Motoharu Tanaka, Atsuyuki Watada, Fumiya Omi, Nobuyuki Koinuma | 1987-06-02 |
| 4670323 | Magneto-optic recording medium having a metal oxide recording layer | Hazime Machida, Motoharu Tanaka, Atsuyuki Watada, Fumiya Omi, Nobuyuki Koinuma | 1987-06-02 |
| 4647092 | Door latch device | — | 1987-03-03 |
| 4636897 | Perpendicular magnetic recording and reproducing thin film head | Kasuo Shiiki, Isamu Yuito, Yoshihiro Shiroishi, Hideo Fujiwara, Kiminari Shinagawa +1 more | 1987-01-13 |
| 4631612 | Magnetic recording and reproducing system | Kazuo Shiiki, Yoshihiro Shiroishi, Isamu Yuito, Kiminari Shinagawa, Yasutaro Uesaka +1 more | 1986-12-23 |
| D284369 | Automobile combined stereo receiver and cassette tape player | Takekazu Iijima, You Takagi, Shu Takahara | 1986-06-24 |
| 4591262 | Electrostatic copying apparatus | Seiichi Oseto, Itaru Fujimura | 1986-05-27 |
| 4575138 | Door latching device | Ryoji Shimura | 1986-03-11 |
| 4524046 | Method for manufacturing a cam-cam shaft assembly | Tetsuya Suganuma, Koji Kazuoka, Shuichi Fujita, Yoshitaka Takahashi, Katsuhiko Ueda | 1985-06-18 |
| D277752 | Loudspeaker | — | 1985-02-26 |
| D276227 | Loudspeaker | — | 1984-11-06 |
| 4438555 | Method of fixing an annular element on a shaft | Chiaki Tsumuki, Katsuhiko Ueda, Toshiyuki Nakura, Kazuhiko Tsuda | 1984-03-27 |
| 4379820 | Electrophotographic photoconductor of halogen-doped Se-Te alloy layers | Hideyo Nishizima, Hideaki Ema, Makoto Harigaya, Satoshi Otomura | 1983-04-12 |
| 4337572 | Device for manufacture of assembled cam shaft | Akio Takahashi, Chiaki Tsumuki, Juro Ozaki | 1982-07-06 |
| 4267340 | Disulfide substituted oxazetidine derivatives | Takashi Kamiya, Yoshihisa Saito, Tsutomu Teraji, Osamu Nakaguti, Teruo Oku +1 more | 1981-05-12 |
| 4265388 | Process for manufacture of assembled cam shaft | Akio Takahashi, Chiaki Tsumuki, Juro Ozaki | 1981-05-05 |
| 4256401 | Image density adjustment method and apparatus | Itaru Fujimura, Shoji Kuroishi, Nachio Seko, Toshiyuki Ogawa | 1981-03-17 |
| 4236923 | Method of metallurgically joining a fitting to a shaft | Akio Takahashi, Chiaki Tsumuki | 1980-12-02 |