Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6757505 | Image forming apparatus and cleaning device therefor | Ken Amemiya | 2004-06-29 |
| 6720237 | Method for manufacturing a semiconductor film | Tatsumi Shoji, Shoji Nishida | 2004-04-13 |
| 6682990 | Separation method of semiconductor layer and production method of solar cell | Masaaki Iwane, Katsumi Nakagawa, Makoto Iwakami, Shoji Nishida, Noritaka Ukiyo +1 more | 2004-01-27 |
| 6664169 | Process for producing semiconductor member, process for producing solar cell, and anodizing apparatus | Shoji Nishida, Kiyofumi Sakaguchi, Noritaka Ukiyo | 2003-12-16 |
| 6566235 | Process for producing semiconductor member, and process for producing solar cell | Shoji Nishida, Takao Yonehara, Kiyofumi Sakaguchi, Noritaka Ukiyo | 2003-05-20 |
| 6546219 | Method and apparatus for performing a charging process on an image carrying device | Masumi Sato, Hiroshi Yoshinaga, Hitoshi Ishibashi, Takatsugu Fujishiro, Masami Hiramatsu +1 more | 2003-04-08 |
| 6505022 | Image forming apparatus having protective layer on the surface of image bearing member to avoid adhesion of film of additives to image bearing member | Akio Kosuge, Masumi Sato, Hitoshi Ishibashi, Hiroshi Yoshinaga | 2003-01-07 |
| 6470161 | Apparatus for minimizing toner contamination on an image formation member | Takatsugu Fujishiro, Masami Hiramatsu, Masumi Sato, Hitoshi Ishibashi, Hiroshi Yosinaga | 2002-10-22 |
| 6452091 | Method of producing thin-film single-crystal device, solar cell module and method of producing the same | Katsumi Nakagawa, Takao Yonehara, Yasuyoshi Takai, Kiyofumi Sakaguchi, Noritaka Ukiyo +1 more | 2002-09-17 |
| 6448155 | Production method of semiconductor base material and production method of solar cell | Takao Yonehara, Shoji Nishida, Kiyofumi Sakaguchi, Noritaka Ukiyo | 2002-09-10 |
| 6384313 | Solar cell module and method of producing the same | Katsumi Nakagawa, Shoji Nishida | 2002-05-07 |
| 6258698 | Process for producing semiconductor substrate | Katsumi Nakagawa, Takao Yonehara, Shoji Nishida, Kiyofumi Sakaguchi | 2001-07-10 |
| 6258702 | Method for the formation of a cuprous oxide film and process for the production of a semiconductor device using said method | Katsumi Nakagawa, Kozo Arao | 2001-07-10 |
| 6258666 | Method of producing semiconductor thin film and method of producing solar cell using same | Masaki Mizutani, Isao Tanikawa, Katsumi Nakagawa, Tatsumi Shoji, Noritaka Ukiyo | 2001-07-10 |
| 6248948 | Solar cell module and method of producing the same | Katsumi Nakagawa, Shoji Nishida | 2001-06-19 |
| 6211038 | Semiconductor device, and method for manufacturing the same | Katsumi Nakagawa, Takao Yonehara, Shoji Nishida, Kiyofumi Sakaguchi | 2001-04-03 |
| 6172296 | Photovoltaic cell | Kozo Arao, Masafumi Sano, Takaharu Kondo | 2001-01-09 |
| 6118964 | Multi-functional contact-type charging unit and image transfer unit | Narihito Kojima, Hiroshi Nagame, Ryuta Takeichi, Akiyo Nakajima, Hiroyuki Fushimi | 2000-09-12 |
| 6110347 | Method for the formation of an indium oxide film by electrodeposition process or electroless deposition process, a substrate provided with the indium oxide film for a semiconductor element, and a semiconductor element provided with the substrate | Kozo Arao, Katsumi Nakagawa | 2000-08-29 |
| 6054024 | Apparatus for forming transparent conductive film by sputtering and method therefor | Noboru Toyama, Keishi Saito, Ryo Hayashi | 2000-04-25 |
| 6014532 | Image forming apparatus | Ryuta Takeichi, Akiyo Nakajima, Hiroshi Nagame, Narihito Kojima, Hiroyuki Fushimi | 2000-01-11 |
| 5986204 | Photovoltaic cell | Katsumi Nakagawa, Kozo Arao | 1999-11-16 |
| 5858120 | Photovoltaic device | Katsumi Nakagawa | 1999-01-12 |
| 5804466 | Process for production of zinc oxide thin film, and process for production of semiconductor device substrate and process for production of photoelectric conversion device using the same film | Kozo Arao, Katsumi Nakagawa, Takaharu Kondo | 1998-09-08 |
| 5800632 | Photovoltaic device and method for manufacturing it | Kozo Arao, Katsumi Nakagawa | 1998-09-01 |