Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12072610 | Buoyancy adjusting apparatus and housing | — | 2024-08-27 |
| 8956793 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Kenta IDE, Kosuke Narita, Akihiro Kawasaki, Satoya Sugiura, Akihiro Nonaka +2 more | 2015-02-17 |
| 8877412 | Image forming apparatus and process cartridge | Kenta IDE, Kosuke Narita, Hirofumi Nakamura, Akihiro Kawasaki, Shigeto Hashiba +1 more | 2014-11-04 |
| 8808953 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Satoya Sugiura, Shigeto Hashiba, Hirofumi Nakamura, Kenta IDE, Akihiro Nonaka +2 more | 2014-08-19 |
| 8679709 | Electrophotographic photoreceptor, process cartridge, image forming apparatus, and film forming coating solution | Katsumi Nukada, Wataru Yamada, Masahiro Iwasaki | 2014-03-25 |
| 8574797 | Electrophotographic photoconductor, process cartridge, and electrophotographic image-forming apparatus | Shigeto Hashiba, Satoya Sugiura, Kenta IDE, Fuyuki Kano | 2013-11-05 |
| 8492059 | Electrophotographic photoreceptor, process cartridge and image forming apparatus | Shigeto Hashiba, Kaori Iemura, Kenta IDE, Satoya Sugiura, Fuyuki Kano +1 more | 2013-07-23 |
| 8426093 | Electrophotographic photoreceptor, process cartridge and image-forming apparatus | Wataru Yamada, Katsumi Nukada, Masahiro Iwasaki | 2013-04-23 |
| 8338926 | Lead frame for optical semiconductor devices, method of producing the same, and optical semiconductor device | Yoshiaki Kobayashi, Shin Kikuchi | 2012-12-25 |
| 7473503 | Electrophotographic photoreceptor, image-forming device, process cartridge and image-forming method | Wataru Yamada, Katsumi Nukada, Masahiro Iwasaki, Kenji Yao | 2009-01-06 |
| 7420723 | Optical deflector, production method thereof, optical scanning device, and image forming apparatus | Yukio Itami, Makoto Endo, Yoshihiro Takahashi, Tomotaka Takamura, Noriyuki Kadowaki +4 more | 2008-09-02 |
| 7105257 | Electrophotographic photoreceptor, process cartridge and image forming apparatus | Wataru Yamada, Katsumi Nukada, Takayuki Yamashita, Masahiro Iwasaki, Takahiro Suzuki | 2006-09-12 |
| 7094511 | Electrophotographic photoreceptor, method for producing the same, image forming apparatus and process cartridge | Wataru Yamada, Katsumi Nukada, Masahiro Iwasaki, Takayuki Yamashita | 2006-08-22 |
| 7074540 | Image forming apparatus | Katsumi Nukada, Wataru Yamada, Takayuki Yamashita, Masahiro Iwasaki, Takahiro Suzuki +4 more | 2006-07-11 |
| 6936387 | Electrophotographic photoreceptor, and electrophotographic process cartridge and electrophotographic apparatus using the same | Kenji Yao, Wataru Yamada, Katsumi Nukada | 2005-08-30 |
| 6933088 | Photoreceptor of electrophotographic system, process cartridge and image forming apparatus | Wataru Yamada, Katsumi Nukada | 2005-08-23 |
| 6876371 | Image forming apparatus | Takahiro Suzuki, Taketoshi Hoshizaki, Katsumi Nukada, Mitsuhide Nakamura, Takayuki Yamashita +2 more | 2005-04-05 |
| 6835520 | Apparatus for forming image | Koji Bando, Masahiko Hodumi, Takahiro Suzuki | 2004-12-28 |
| 6352809 | Process for producing electrophotographic photoreceptor, electrophotographic photoreceptor and image-forming apparatus | Katsumi Nukada, Wataru Yamada, Tomozumi Uesaka | 2002-03-05 |
| 6010810 | Electrophotographic photoreceptor, process for the preparation thereof and image forming apparatus comprising the same | Tomozumi Uesaka, Fumio Ojima, Masahiro Iwasaki, Kiyokazu Mashimo | 2000-01-04 |
| 5576806 | Charging roll for electrophotography | Kozo Oka, Kazuhiko Yanagida, Taketoshi Hoshizaki | 1996-11-19 |
| 5529842 | Charge roll for electrophotography | Taketoshi Hoshizaki, Masato Ono, Yukihiro Ishii, Kozo Oka | 1996-06-25 |
| 5393629 | Electrophotographic photoreceptor | Katsumi Nukada, Katsumi Daimon, Yasuo Sakaguchi, Kazuo Yamasaki, Masakazu Iijima +7 more | 1995-02-28 |