Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6045856 | Process for producing a resistive element by diffusing glass | Kaoru Torikoshi, Katsuhiro Sato, Hiroyuki Tanaka, Fumiaki Tambo | 2000-04-04 |
| 5510823 | Paste for resistive element film | Hiroyuki Tanaka, Kaoru Torikoshi, Fumiaki Tambo, Katsuhiro Sato | 1996-04-23 |
| 5501927 | Electrophotographic photoreceptors | Akira Imai, Toru Ishii, Akihiko Tokida | 1996-03-26 |
| 5445909 | Electrophotographic photoreceptor | Katsuhiro Sato, Katsumi Nukada | 1995-08-29 |
| 5399452 | Electrophotographic photoreceptor | Ichiro Takegawa, Kazuyuki Nakamura, Kiyokazu Mashimo, Tomoo Kobayashi, Toru Ishii | 1995-03-21 |
| 5384076 | Resistive film-forming composition and electronic components using the same | Katsuhiro Sato, Kaoru Torikoshi, Hiroyuki Tanaka, Fumiaki Tambo | 1995-01-24 |
| 5354498 | Phase separation liquid crystal polymer | Ryojiro Akashi, Akinori Inoue | 1994-10-11 |
| 5219943 | Process for producing monodispersed vinyl polymer fine particles | Naoya Yabuuchi, Tatsuro Ohki | 1993-06-15 |
| 5169987 | Squarlylium compound | Akihiko Tokida, Kaoru Torikoshi, Tooru Ishii, Hidemi Suto, Akira Imai | 1992-12-08 |
| 5155607 | Optical modulation display device and display method using the same | Akinori Inoue, Ryojiro Akashi | 1992-10-13 |
| 5153085 | Electrophotographic photosensitive member and image forming process | Hidekazu Aonuma, Kazuya Hongo, Katsuhiro Sato, Katsumi Nukada, Teruumi Marumo | 1992-10-06 |
| 5139908 | Electrophotographic photoreceptor with bromine or chlorine containing polycarbonate | Katsuhiro Sato, Susumu Honma, Hiroyuki Tanaka, Katsumi Nukada | 1992-08-18 |
| 5102757 | Electrophotographic photosensitive member and image forming process | Hidekazu Aonuma, Kazuya Hongo, Katsuhiro Sato, Katsumi Nukada, Teruumi Marumo | 1992-04-07 |
| 5091276 | Electrophotographic reverse image forming process | Hidekazu Aonuma, Kazuya Hongo, Katsuhiro Sato, Katsumi Nukada, Teruumi Marumo | 1992-02-25 |
| 5085960 | Electrophotographic photosensitive member and image forming process | Hidekazu Aonuma, Kazuya Hongo, Katsuhiro Sato, Katsumi Nukada, Teruumi Marumo | 1992-02-04 |
| 5075487 | Fluorene derivative | Katsuhiro Sato, Katsumi Nukada | 1991-12-24 |
| 5047589 | Electrophotographic light-sensitive material containing squarylium compound | Akihiko Tokida, Kaoru Torikoshi, Tooru Ishii, Hidemi Suto, Akira Imai | 1991-09-10 |
| 5041665 | Process for preparing squarylium compounds | Akihiko Tokida, Kaoru Torikoshi, Akira Imai, Hidemi Suto | 1991-08-20 |
| 5028505 | Electrophotographic photoreceptor | Katsumi Nukada, Katsuhiro Sato | 1991-07-02 |
| 5024911 | Electrophotographic photoreceptor having an electric charge generating layer comprising a pyrylium compound | Hidekazu Aonuma, Katsumi Nukada, Akihiko Tokita, Hidemi Suto, Katsuhiro Sato +1 more | 1991-06-18 |
| 5023356 | Novel tetracyanoanthraquinodimethane derivatives and process for producing same | Toshio Mukai, Yoshiro Yamashita, Takanori Suzuki, Katsuhiro Sato, Naoya Yabuuchi +2 more | 1991-06-11 |
| 5011757 | Electrophotographic photoreceptor containing a fluorene derivative | Katsumi Nukada, Katsuhiro Sato | 1991-04-30 |
| 5011969 | Fluorene derivative and process for preparation thereof | Katsumi Nukada, Katsuhiro Sato | 1991-04-30 |
| 5008431 | Benzophenone derivative | Katsumi Nukada, Katsuhiro Sato | 1991-04-16 |
| 5006435 | Electrophotographic photosensitive member with additive in charge generating layer | Hidekazu Aonuma, Kazuya Hongo, Katsuhiro Sato, Katsumi Nukada, Teruumi Marumo | 1991-04-09 |