Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7010245 | Color image forming apparatus | Yuriko Shindoh, Kazushige Morita, Hiroko Ishibashi, Masanori Matsumoto | 2006-03-07 |
| 6869740 | Electrophotographic photoreceptor and production method thereof | Yuriko Shindoh, Hiroko Ishibashi, Kazushige Morita | 2005-03-22 |
| 6862418 | Color image forming apparatus | Kazushige Morita, Yuriko Shindoh, Hiroko Ishibashi, Masanori Matsumoto | 2005-03-01 |
| 6717677 | Film defect inspection method for a film formed on a substrate | Sayaka Fujita, Yoichi Takesawa, Tatsuhiro Morita, Rikiya Matsuo, Masayuki Sakamoto +1 more | 2004-04-06 |
| 6573105 | Test method and control method for coating liquid for electrophotographic photoconductor | Tomoko Kanazawa, Sayaka Fujita, Tadashi Nakamura, Masayuki Sakamoto, Tatsuhiro Morita | 2003-06-03 |
| 6265123 | Electrophotographic photosensitive element and manufacturing method thereof | Mikio Kakui, Tatsuhiro Morita, Rikiya Matsuo, Sayaka Fujita, Kazushige Morita | 2001-07-24 |
| 6136484 | Electrophotographic photoreceptor, process for production thereof, and image-forming apparatus using same | Satoshi Katayama, Makoto Kurokawa, Mikio Kakui, Hiroko Ishibashi, Tadashi Nakamura +5 more | 2000-10-24 |
| 5391448 | Electrophotographic photoconductor and a method for manufacturing the same | Satoshi Katayama, Makoto Kurokawa | 1995-02-21 |
| 5116706 | 1,2,4,5-benzoylenebis(naphtho[1,8-de]pyrimidine) compounds and their use in photosensitive layers | Yoshimi Kojima, Satoshi Katayama, Hiroshi Sugimura, Eiji Imada | 1992-05-26 |
| 4964366 | Apparatus for the production of photoconductive components for use in electrophotography | Makoto Kurokawa, Shuhei Tsuchimoto | 1990-10-23 |
| 4963451 | 1,2,4,5-benzoylenebis(anthraquinone[1,2-d]imidazole) compounds and photosensitive members containing them | Satoshi Katayama, Hiroshi Sugimura, Eiji Imada, Shuhei Tsuchimoto | 1990-10-16 |
| 4908457 | 1,2,4,5-benzoylenebis(anthraquinone[1,2-d]imidazole) compounds | Satoshi Katayama, Hiroshi Sugimura, Eiji Imada, Shuhei Tsuchimoto | 1990-03-13 |