Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9914630 | Tap, server, pouring member, and attachment/detachment tool | Hisaaki Sugiyama, Hidekazu Narita | 2018-03-13 |
| 9420822 | Effervescent beverage product and method relating to same | Koji Yanagawa, Hisaaki Sugiyama, Kazuhito Misaki | 2016-08-23 |
| 5863689 | Electrophotographic photoreceptor | Yoshihiko Etoh, Asao Matsushima, Takeo Oshiba | 1999-01-26 |
| 5679488 | Electrophotography photoreceptor | Akihiko Itami, Chikusa Fukumoto, Takeo Oshiba, Yoshihiko Etoh | 1997-10-21 |
| 5434027 | Photorecptor for electrophotography and image forming method | Takeo Oshiba, Yoshihiko Etoh, Asao Matsushima | 1995-07-18 |
| 5403691 | Method for preparing an electrophotographic photoreceptor | Takeo Oshiba, Yoshihiko Etoh | 1995-04-04 |
| 5349426 | Toner guide roller for image-forming process and apparatus applied therewith | Koichi Kudoh, Eiichi Sakai | 1994-09-20 |
| 5134050 | Photoreceptor comprising the combined use of a quinone and azo compound as charge generating materials | Yoshihiko Eto | 1992-07-28 |
| 5075189 | Electrophotographic photoreceptor comprising an undercoat layer containing a polyamide copolymer | Tadasu Ichino, Eiichi Sakai | 1991-12-24 |
| RE33724 | Photoreceptor having polycarbonate layers and process for the preparation thereof | Hiroyuki Nomori, Katumi Matuura | 1991-10-22 |
| 4952470 | Electrophotographic photosensitive member | Kiyoshi Tamaki, Koichi Kudoh, Yoshihiko Etoh | 1990-08-28 |
| 4931372 | Polycarbonate-containing photoreceptors containing a hindered phenol compound | Eiichi Sakai | 1990-06-05 |
| 4888262 | Image forming method | Kiyoshi Tamaki, Koichi Kudoh, Yoshihiko Etoh | 1989-12-19 |
| 4835080 | Photoreceptor having photosensitive layer comprising a brominated anthanthrone of specified x-ray spectrum | Eiichi Kijima, Satoshi Goto, Hiroyuki Nomori | 1989-05-30 |
| 4637971 | Photoreceptor having polycarbonate layers and process for the preparation thereof | Hiroyuki Nomori, Katumi Matuura | 1987-01-20 |
| 4599287 | Positive charging photorecptor | Yoshihide Fujimaki, Yasuo Suzuki, Hiroyuki Nomori | 1986-07-08 |
| 4591542 | Light-sensitive member and preparation thereof for use in electrophotography | Yoshihide Fujimaki, Koichi Kudo, Hiroyuki Nomori | 1986-05-27 |
| 4540651 | Electrophotographic photosensitive member | Yoshihide Fujimaki, Hiroyuki Nomori | 1985-09-10 |
| 4477549 | Photoreceptor for electrophotography, method of forming an electrostatic latent image, and electrophotographic process | Yoshihide Fujimaki, Hiroyuki Nomori | 1984-10-16 |
| 4450218 | Photoconductive receptor for an electrophotography | Yoshihide Fujimaki, Hiroyuki Nomori | 1984-05-22 |
| 4431722 | Photosensitive element for electrophotography produced by sublimation | Yoshihide Fujimaki, Naoko Akashi, Hiroyuki Nomori | 1984-02-14 |
| 4424266 | Layered electrophotographic photosensitive element having hydrazone charge transport material | Seiji Kurihara, Satoshi Goto, Tsuneo Wada, Akira Kinoshita, Naoko Akashi +1 more | 1984-01-03 |
| 4415640 | Electrophotographic element with fluorenylidene hydrazone compounds | Satoshi Goto, Kiyoshi Sawada, Osamu Sasaki, Akira Kinoshita, Yoshihide Fujimaki | 1983-11-15 |
| 4415641 | Electrophotographic light-sensitive element | Satoshi Goto, Akira Kinoshita, Yoshihide Fujimaki | 1983-11-15 |
| 4410615 | Layered electrophotographic photosensitive element having hydrazone charge transport layer | Satoshi Goto, Akira Kinoshita, Tsuneo Wada, Naoko Akashi, Hiroyuki Nomori | 1983-10-18 |