Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8034519 | Electrophotographic photoreceptor and image formation method | Tomoko Sakimura, Shinichi Hamaguchi | 2011-10-11 |
| 7241543 | Image forming method, a photoreceptor used for the apparatus, and an image forming unit | Tomoko Sakimura | 2007-07-10 |
| 7238457 | Electrophotographic photoreceptor | Masao Asano, Hiroshi Yamazaki, Tomoko Sakimura | 2007-07-03 |
| 7175954 | Electrophotographic photoreceptor | Tomoko Sakimura | 2007-02-13 |
| 7074539 | Organic photoreceptor and image forming method | Naoto Abe, Akihiko Itami, Takeo Oshiba | 2006-07-11 |
| 6919155 | Organic photoreceptor and image forming method | Naoto Abe, Akihiko Itami, Takeo Oshiba | 2005-07-19 |
| 6406825 | Electrophotographic photoreceptor | Tomoo Sakimura, Akihiko Itami, Kazumasa Watanabe, Shingo Fujimoto, Tomoko Sakimura | 2002-06-18 |
| 6143452 | Electrophotographic photoreceptor | Tomoo Sakimura, Akihiko Itami, Kazumasa Watanabe, Shingo Fujimoto, Tomoko Sakimura | 2000-11-07 |
| 6099998 | Electrophotographic photoreceptor and a production method of the same | Akira Kinoshita, Tomoo Sakimura | 2000-08-08 |
| 6027845 | Electrophotography photosensitive element | Akira Kinoshita, Hirofumi Hayata, Tomoko Suzuki | 2000-02-22 |
| 5942359 | Electrophotoreceptor | Akira Kinoshita, Hirofumi Hayata, Tomoko Suzuki | 1999-08-24 |
| 5849444 | Electrophotographic photoreceptor with aliphatic amine containing electron transporting layer | Akira Kinoshita, Hirofumi Hayata, Tomoko Suzuki | 1998-12-15 |
| 5718997 | Electrophotographic photoreceptor | Hirofumi Hayata, Akira Kinoshita, Tomoko Suzuki | 1998-02-17 |
| 5565288 | Electrophotographic photoreceptor | Kazumasa Watanabe, Shingo Fujimoto, Yuanhu Pei | 1996-10-15 |
| 5443922 | Organic thin film electroluminescence element | Kouji Nishizaki, Shigeki Takeuchi, Kiyoshi Tamaki | 1995-08-22 |
| 5162181 | Electrophotographic photoreceptor having a bisazo photoreceptive layer | Shingo Fujimoto, Osamu Sasaki | 1992-11-10 |
| 4939058 | Bisazo photo-receptor for electrophotography | Takahiro Takagi, Shinchi Suzuki, Hiroko Fukawa, Osamu Sasaki | 1990-07-03 |