Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5176976 | Organic electronic material and electrophotographic photosensitive member containing same | Akio Maruyama | 1993-01-05 |
| 5137794 | Electrophotographic photosensitive member, electrophotographic apparatus and facsimile which employ the same | — | 1992-08-11 |
| 5126223 | Ozone resistant electrophotographic photosensitive member | Tetsuro Kanemaru, Kouichi Suzuki | 1992-06-30 |
| 5098809 | Electrophotographic photosensitive member containing a substituted fluorine compound | Akihiro Senoo, Tetsuro Kanemaru, Ryoji Yashiro | 1992-03-24 |
| 5079118 | Photosensitive member for electrophotography with substituted pyrene | Tetsuro Kanemaru, Akihiro Senoo, Ryoji Yashiro | 1992-01-07 |
| 5049464 | Photosensitive member for electrophotography | Tetsuro Kanemaru, Akihiro Senoo, Ryoji Yashiro | 1991-09-17 |
| 5024912 | 5H-dibenzo(A,D) cycloheptanylidene derivative and 5H-dibenzo (A,D) cycloheptenylidene derivative, and electrophotographic photosensitive member using the same | Toshie Neishi, Takao Takiguchi, Koichi Suzuki, Masakazu Matsumoto | 1991-06-18 |
| 4931371 | Electrophotographic photosensitive member | Masakazu Matsumoto, Shozo Ishikawa, Wataru Ando, Itaru Yamazaki | 1990-06-05 |
| 4914448 | Microwave antenna structure | Takashi Otsuka, Katushiro Yamashita, Tomohiko Haga | 1990-04-03 |
| 4798777 | Electrophotographic member containing vinylene benzocarazole as charge transporting material | Takao Takiguchi, Masakazu Matsumoto | 1989-01-17 |
| 4795395 | Animal motion toy having an automatic action switching drive mechanism | Shingo Oishi | 1989-01-03 |
| 4248312 | Method and apparatus for upwardly cutting full cutting face of a shaft without requesting workmen's hands | Takayuki Jinno, Yasuo Kotake | 1981-02-03 |
| 4207016 | Method and apparatus for supporting the wall of an upwardly excavated shaft | Takayuki Jinno, Yasuo Kotake | 1980-06-10 |