Issued Patents All Time
Showing 76–89 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4672045 | Method for assaying antigen-antibody reactions and reagent thereof | Satoshi Tsutsui, Tadamitsu Sudo | 1987-06-09 |
| 4551003 | Electrophotographic process and apparatus therefor | Nobuo Kitajima, Masanao Kasai, Shunichi Ishihara | 1985-11-05 |
| 4486088 | Method and apparatus for electrophotography capable of changing over images from positive to negative and vice versa | Takashi Kitamura | 1984-12-04 |
| 4469767 | Electrophotographic process capable of image overlay and apparatus therefor | Takashi Kitamura | 1984-09-04 |
| 4422749 | Developing apparatus | Osamu Hoshino, Akihiko Takeuchi | 1983-12-27 |
| 4370053 | Developer supply device | Kazuhiro Hirayama | 1983-01-25 |
| 4329413 | Electrophotographic process capable of forming overlaid images and apparatus for carrying out the same | Takashi Kitamura | 1982-05-11 |
| 4286032 | Electrophotographic process and apparatus therefor | Nobuo Kitajima, Masanao Kasai, Shunichi Ishihara | 1981-08-25 |
| D258958 | Telephone set | Hisao Fukushima, Yoshinori Kanda, Norimi Koiwa | 1981-04-21 |
| 4252698 | Anti-yellowing composition | Yoshimitsu Numajiri, Seiji Kimura, Tetsuo Sekiguchi | 1981-02-24 |
| 4221560 | Apparatus for regeneration of wet spent active carbon | Hideji Idei, Mitsuhiko Iwasaki, Toshimichi Hirabayashi, Zenji Matsumoto, Nobutaka Ninomiya | 1980-09-09 |
| D256233 | Vehicular telephone set or similar article | Hisao Fukushima, Yoshinori Kanda, Norimi Koiwa | 1980-08-05 |
| D256234 | Vehicular telephone set or similar article | Hisao Fukushima, Yoshinori Kanda, Norimi Koiwa | 1980-08-05 |
| D256235 | Vehicular telephone set or similar article | Hisao Fukushima, Yoshinori Kanda, Norimi Koiwa | 1980-08-05 |