Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853158 | Process for preparing N,N-dialkylaniline salt of 5-acetyl-2-alkylbenzene sulfonic acid | Kunioki Kato, Masao Kawamura, Hiroshi Goda, Kazuhiro Hamatani | 1989-08-01 |
| 4842971 | Photoreceptor for electrophotography having a hydroxystyrene subbing layer | Takayuki Sugaiwa, Akira Kinoshita | 1989-06-27 |
| 4737430 | Electrophotographic photoreceptor with azo-containing photosensitive member | Akira Kinoshita, Naohiro Hirose | 1988-04-12 |
| 4562131 | Photoreceptor containing a trisazo compound for use in electrophotography | Osamu Sasaki, Naohiro Hirose | 1985-12-31 |
| 4537847 | Disazo photoreceptors for electrophotography | Jiro Takahashi, Akira Kinoshita, Tawara Komamura, Satoshi Goto, Osamu Sasaki | 1985-08-27 |
| 4515881 | Electrophotographic bisazo photosensitive member | Satoshi Goto, Akira Kinoshita, Osamu Sasaki | 1985-05-07 |
| 4495261 | Electrophotographic substituted p,p'-bisazo diphenyl acrylonitrile compounds for photoreceptors | Jiro Takahashi, Tawara Komamura, Ssamu Sasaki, Satoshi Goto, Akira Kinoshita | 1985-01-22 |
| 4451548 | Electrophotographic photoreceptor | Akira Kinoshita, Osamu Sasaki, Satoshi Goto | 1984-05-29 |
| 4448868 | Electrophotographic photoreceptor with hydrazone derivative | Shinichi Suzuki, Akira Kinoshita, Osamu Sasaki, Satoshi Goto | 1984-05-15 |
| 4426432 | Electrophotosensitive receptor with trisazo compound | Satoshi Goto, Osamu Sasaki, Jiro Takahashi, Tawara Komamura | 1984-01-17 |
| 4415640 | Electrophotographic element with fluorenylidene hydrazone compounds | Satoshi Goto, Osamu Sasaki, Akira Kinoshita, Yoshiaki Takei, Yoshihide Fujimaki | 1983-11-15 |
| 4299524 | Devices for automatically supplying tubular workpieces | Nobuo Ozawa, Katsuhiko Oota, Takefumi Narahara, Masahiro Nakagawa, Yoshinobu Fujimori, deceased +1 more | 1981-11-10 |
| 4189959 | Bidirectional driving mechanism | Katsuo Yamazaki | 1980-02-26 |