Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12164691 | Skill acquisition assistance method, skill acquisition assistance system, and computer readable recording medium storing control program | Yoshihiro Tanaka, Hikari Yukawa, Takayuki Kodama, Masashi Odagiri, Masayuki Satou +1 more | 2024-12-10 |
| 9766560 | Electrophotographic photoreceptor, image forming apparatus using the same, and image forming method | — | 2017-09-19 |
| 9372467 | Image forming apparatus having photoreceptor with lubricant supplying part and lubricant removal part | Takeshi Ishida, Hokuto Hatano, Kazunori Kurimoto | 2016-06-21 |
| 9190617 | Photoelectric conversion element and solar cell | Hideya MIWA, Hidekazu KAWASAKI, Kazukuni NISHIMURA | 2015-11-17 |
| 8962226 | Organic photoreceptor, image forming apparatus, and process cartridge | Seisuke Maeda, Takeshi Ishida, Toshiyuki Fujita, Seijiro Takahashi | 2015-02-24 |
| 8557486 | Organic photoreceptor, manufacturing method of organic photoreceptor, and image forming apparatus | Takeshi Ishida, Hirofumi Hayata, Toshiyuki Fujita, Seisuke Maeda, Seijiro Takahashi | 2013-10-15 |
| 8481233 | Organic photoreceptor, image forming apparatus and process cartridge | Toshiyuki Fujita, Hirofumi Hayata, Kunihiro Ogura | 2013-07-09 |
| 8404417 | Organic photoreceptor, image forming apparatus and process cartridge | Toshiyuki Fujita, Hirofumi Hayata, Takeshi Ishida, Seisuke Maeda, Seijiro Takahashi | 2013-03-26 |
| 8354212 | Electrophotographic photoreceptor, image forming apparatus, and method for image formation | Hirofumi Hayata, Takeshi Ishida, Toshiyuki Fujita, Seisuke Maeda, Seijiro Takahashi | 2013-01-15 |
| 8318396 | Organic photoreceptor and preparation method thereof | Toshiyuki Fujita, Hirofumi Hayata, Takeshi Ishida, Seisuke Maeda, Seijiro Takahashi | 2012-11-27 |
| 8298735 | Organic photoreceptor and manufacturing method thereof | Takeshi Ishida, Toshiyuki Fujita, Seisuke Maeda, Seijiro Takahashi | 2012-10-30 |
| 8202675 | Electrophotographic photoreceptor, image forming apparatus, and process cartridge | Hirofumi Hayata, Takeshi Ishida, Toshiyuki Fujita, Seisuke Maeda, Seijiro Takahashi | 2012-06-19 |
| 8163456 | Image forming method and image forming apparatus | Hirofumi Hayata, Toshiyuki Fujita | 2012-04-24 |
| 8084172 | Organic photoreceptor, image forming apparatus, process cartridge, and color image forming apparatus | Hirofumi Hayata, Toshiyuki Fujita | 2011-12-27 |
| 8071266 | Electrophotographic photoreceptor, and process cartridge and image forming apparatus employing the same | Kunihiro Ogura, Hirofumi Hayata, Toshiyuki Fujita | 2011-12-06 |
| 7977021 | Electrophotographic toner, and image forming method and image forming apparatus employing the same | Toshiyuki Fujita, Hirofumi Hayata, Kunihiro Ogura | 2011-07-12 |
| 7923084 | Intermediate transfer member, method for producing the same and image forming method | Hideaki Morita, Hideo Yoshizawa, Fumitaka Mochizuki | 2011-04-12 |
| 7824760 | Intermediate transfer member, method of producing the same, image forming method and image forming apparatus | Fumitaka Mochizuki, Ichiro Kudo, Yuichiro Maehara, Kenji Sakka | 2010-11-02 |
| 7700255 | Intermediate transfer material, image forming method and image forming apparatus | Fumitaka Mochizuki, Naoko Uemura | 2010-04-20 |
| 7078142 | Image forming method | Akihiko Itami, Tomoo Sakimura, Takeo Oshiba, Yohko Kitahara, Kazuhisa Shida | 2006-07-18 |
| 6489069 | Electrophotographic image carrier and image forming apparatus, image forming method and processing cartridge using it | Akihiko Itami, Takeo Oshiba, Tomoo Sakimura, Yohko Kitahara, Kazuhisa Shida | 2002-12-03 |
| 6442367 | Electrophotographic image forming method, electrophotographic image forming apparatus, and processing cartridge | Akihiko Itami, Takeo Oshiba, Tomoo Sakimura, Yohko Kitahara, Kazuhisa Shida | 2002-08-27 |
| 6399262 | Electrophotographic photoreceptor | Takeo Oshiba, Akihiko Itami, Tomoo Sakimura, Yohko Kitahara, Kazuhisa Shida | 2002-06-04 |
| 6265122 | Electrophotographic photoreceptor and an image forming apparatus and a process cartridge using the same | Akihiko Itami, Tomoo Sakimura, Takeo Oshiba, Yohko Kitahara, Kazuhisa Shida | 2001-07-24 |
| 6203962 | Electrophotographic image forming method, electrophotographic image forming apparatus, and processing cartridge and electrophotographic photoreceptor used therein | Akihiko Itami, Takeo Oshiba, Tomoo Sakimura, Yohko Kitahara, Kazuhisa Shida | 2001-03-20 |