Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8574798 | Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the same | Takeshi Iwanaga, Shigeru Yagi, Nobuyuki Torigoe | 2013-11-05 |
| 8300331 | Lens unit and lens driving apparatus | Ryohhei Kawamuki, Hideaki Fujita | 2012-10-30 |
| 8233074 | Lens unit and imaging device | Hideaki Fujita | 2012-07-31 |
| 8142969 | Electrophotographic photoreceptor, process cartridge and image forming apparatus | Tetsuya Ezumi, Daisuke Haruyama, Hirofumi Nakamura, Kazuyuki Nakamura | 2012-03-27 |
| 8014082 | Lens unit | Hideaki Fujita, Toshiharu Inui | 2011-09-06 |
| 7906261 | Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the same | Shigeru Yagi, Takeshi Iwanaga, Nobuyuki Torigoe | 2011-03-15 |
| 7643744 | Lens driving device and image pickup device using the same | — | 2010-01-05 |
| 7508605 | Zoom lens unit and image pickup device | Hideaki Fujita | 2009-03-24 |
| 7436606 | Optical component module and camera module | Yoshifumi Iwai, Hideaki Fujita | 2008-10-14 |
| 7035173 | Optical pickup apparatus | — | 2006-04-25 |
| 6778472 | Optical pickup with switchable optical systems along an optical path | — | 2004-08-17 |
| 6342978 | Pickup device for optical disk | Tetsuo Iwaki | 2002-01-29 |
| 6307687 | Optical pickup device capable of accurate tracking with simple structure | — | 2001-10-23 |
| 6268096 | Titanyl phthalocyanine crystal and electrophotographic photoreceptor using the same | Hidemi Nukada, Yasuo Sakaguchi, Taketoshi Hoshizaki, Fumio Ojima, Kohichi Yamamoto +1 more | 2001-07-31 |
| 5834761 | Image input apparatus having a spatial filter controller | Hideo Okada, Tohru Okuda, Tetsuo Iwaki, Chiaki Yamawaki, Yoshinori Kinai | 1998-11-10 |
| 5786901 | Image shifting mechanism and imaging device | Hideo Okada, Tohru Okuda | 1998-07-28 |
| 5637861 | Imaging apparatus having improved resolution due to control of an inclination angle of a refracting plate in more than one direction | Hideo Okada, Tohru Okuda | 1997-06-10 |
| 5578156 | Method of mounting a lens on a light emitting diode | Mitsutoshi Kamakura, Hiroichi Murakami, Hiroyuki Ishii | 1996-11-26 |
| 5459009 | Process for making an electrophotographic photoreceptor having protective layer | Yuzuru Fukuda, Masato Ono, Noriyoshi Takahashi, Shigeru Yagi, Ken-ichi Karakida | 1995-10-17 |
| 5440029 | Titanyl phthalocyanine crystal | Hidemi Nukada, Yasuo Sakaguchi, Taketoshi Hoshizaki, Fumio Ojima, Kohichi Yamamoto +1 more | 1995-08-08 |
| 5393629 | Electrophotographic photoreceptor | Katsumi Nukada, Katsumi Daimon, Yasuo Sakaguchi, Kazuo Yamasaki, Masakazu Iijima +7 more | 1995-02-28 |
| 5262262 | Electrophotographic photoreceptor having conductive layer and amorphous carbon overlayer | Shigeru Yagi, Te Nam Roh, Ken-ichi Karakida, Masahito Tokuhiro, Yuzuru Fukuda +1 more | 1993-11-16 |
| 5139911 | Electrophotographic photoreceptor with two part surface layer | Shigeru Yagi, Masato Ono, Noriyoshi Takahashi, Yuzuru Fukuda, Kenichi Karakida | 1992-08-18 |
| 5094929 | Electrophotographic photoreceptor with amorphous carbon containing germanium | Shigeru Yagi, Masato Ono, Noriyoshi Takahashi, Yuzuru Fukuda, Ken-ichi Karakida | 1992-03-10 |
| 5082760 | Method for preparing an electrophotographic photoreceptor having a charge transporting layer containing aluminum oxide | Yuzuru Fukuda, Shigeru Yagi, Ken-ichi Karakida | 1992-01-21 |