Issued Patents All Time
Showing 51–73 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5286589 | Electrophotographic photosensitive member | Shintetsu Go, Kazushi Iuchi, Toshie Miyaji, Hideyuki Takai, Masakazu Matsumoto | 1994-02-15 |
| 5272028 | Electrophotographic photosensitive member comprising a tris-azo pigment | Yoshio Kashizaki, Toshie Miyaji | 1993-12-21 |
| 5248904 | Switching regulator soft start circuit | Masaaki Handa, Tajsuke Uehara, Tsukasa Muranaka | 1993-09-28 |
| 5246805 | Electrophotographic photosensitive member, and electrophotographic apparatus and facsimile employing the same | Toshihiro Kikuchi, Yoshio Kashizaki | 1993-09-21 |
| 5239319 | Micropump supervisory control | Masaaki Handa, Taisuke Uehara, Tsukasa Muranaka | 1993-08-24 |
| 5194354 | Low crystalline oxytitanium phthalocyanine, process for producing crystalline oxytitanium phthalocyanines using the same, oxytitanium phthalocyanine of a novel crystal form and electrophotographic photosensitive member using the same | Hideyuki Takai, Kazushi Iuchi, Itaru Yamazaki | 1993-03-16 |
| 5173383 | Electrophotographic photosensitive member, and electrophotographic apparatus and facsimile machine employing the same | Yoshio Kashizaki, Toshie Miyaji | 1992-12-22 |
| 5171132 | Two-valve thin plate micropump | Masaaki Handa, Taisuke Uehara, Tsukasa Muranaka, Shinichi Kamisuki, Yasuto Nose | 1992-12-15 |
| 5158847 | Electrophotographic photosensitive member comprising an azo pigment as a charge generating material | Shintetsu Go, Takakazu Tanaka | 1992-10-27 |
| 5157699 | Watchdog timer employing plural counters and discriminator for determining normal operating frequency range of input | Masaaki Handa, Taisuke Uehara, Tsukasa Muranaka | 1992-10-20 |
| 5132197 | Oxytitanium phthalocyanine, process for producing same and electrophotosensitive member using same | Kazushi Iuchi, Hideyuki Takai, Itaru Yamazaki | 1992-07-21 |
| 5126222 | Electrophotographic photosensitive member containing a barbituric acid or thiobarbituric acid derivative | Kazushi Iuchi, Shintetsu Go, Toshie Miyaji | 1992-06-30 |
| 5112759 | Electrophotographic photosensitive member | Akihiro Senoo, Kazushi Iuchi, Shintetsu Go, Toshie Miyaji | 1992-05-12 |
| 5093218 | Electrophotographic photosensitive member having an azo pigment | Toshie Miyaji, Yoshio Kashizaki | 1992-03-03 |
| 5047304 | Electrophotographic photosensitive member | Hideyuki Takai, Shintetsu Go, Kazushi Iuchi | 1991-09-10 |
| 5034294 | Electrophotographic photosensitive member with compound having electron donor and acceptor portions | Shintetsu Go, Kazushi Iuchi, Hideyuki Takai, Masakazu Matsumoto | 1991-07-23 |
| 5027077 | Humidity measuring apparatus | Michio Yanagisawa, Masahisa Ikejiri, Tsukasa Muranaka, Kunihiro Inoue, Shouichi Uchiyama | 1991-06-25 |
| 4963450 | Electrophotographic photosensitive member with disazo pigment | Shintetsu Go, Akihiro Senoo, Kazushi Iuchi, Tetsuro Kanemaru | 1990-10-16 |
| 4895782 | Process for preparing dispersion liquid containing organic, photoconductive azo pigment and process for preparing electrophotographic, photosensitive member | Takashi Koyama, Hideki Anayama | 1990-01-23 |
| 4788119 | Electrophotographic photosensitive member containing a disazo pigment | Masataka Yamashita, Takao Takiguchi, Masakazu Matsumoto, Masaaki Hiro, Shozo Ishikawa | 1988-11-29 |
| 4760003 | Electrophotographic photosensitive member containing disazo compound | Masakazu Matsumoto, Takao Takiguchi, Masataka Yamashita, Shoji Umehara, Shozo Ishikawa | 1988-07-26 |
| 4610943 | Electrophotographic photosensitive member contains disazo photoconductive compound | Takao Takiguchi, Masakazu Matsumoto, Shozo Ishikawa | 1986-09-09 |
| 4440504 | Electronic timepiece including a piezoelectric alarm | — | 1984-04-03 |