Issued Patents All Time
Showing 126–150 of 205 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7297936 | Optical beam scanning device and image forming apparatus | — | 2007-11-20 |
| 7287459 | Piston for internal combustion engine | Masamune Tabata, Naoko Sato, Yasunori Murakami | 2007-10-30 |
| 7158160 | Optical beam scanning device and image forming apparatus | — | 2007-01-02 |
| 7153374 | Magnesium alloy | Kazuo Kikawa, Atsushi Fukatsu | 2006-12-26 |
| 7147919 | Expansion graphite sheet of high thermal resistance, and exhaust gasket of high thermal resistance | Kouichi Nakajima, Shintaro Koike, Yoshiaki Hamada, Yukihiro Ichio, Yasunori Murakami +2 more | 2006-12-12 |
| 7142338 | Optical multi-beam scanning device and image forming apparatus | — | 2006-11-28 |
| 7095431 | Optical beam scanning device and image forming apparatus | — | 2006-08-22 |
| 7072537 | Optical switch | — | 2006-07-04 |
| 7063508 | Turbine rotor blade | Hirotaka Higashimori, Katsuyuki Osako, Takashi Mikogami | 2006-06-20 |
| 6942460 | Vane wheel for radial turbine | Katsuyuki Osako | 2005-09-13 |
| 6873445 | Optical multi-beam scanning device and image forming apparatus | — | 2005-03-29 |
| 6847389 | Optical beam scanning device and image forming apparatus | — | 2005-01-25 |
| 6842187 | Optical beam scanning device and image forming apparatus | — | 2005-01-11 |
| 6778202 | Optical scanning device having a resin lens | Masao Yamaguchi | 2004-08-17 |
| 6683708 | Multi-beam exposure unit | Masao Yamaguchi, Yasuyuki Fukutome | 2004-01-27 |
| 6667757 | Light scanning unit use in image forming apparatus | Masao Yamaguchi | 2003-12-23 |
| 6657652 | Multi-beam exposer unit | Masao Yamaguchi, Yasuyuki Fukutome | 2003-12-02 |
| 6549227 | Multi-beam exposer unit | Masao Yamaguchi, Yasuyuki Fukutome | 2003-04-15 |
| 6501585 | Multi-beam exposure apparatus | Masao Yamaguchi, Yasuyuki Fukutome | 2002-12-31 |
| 6452709 | Multi-beam exposure unit | Masao Yamaguchi, Yasuyuki Fukutome | 2002-09-17 |
| 6381078 | Optical device | Masao Yamaguchi | 2002-04-30 |
| 6347003 | Multi-beam laser exposer unit | Masao Yamaguchi | 2002-02-12 |
| 6337757 | Multi-beam exposure unit | Masao Yamaguchi, Yasuyuki Fukutome | 2002-01-08 |
| 6219167 | Multi-beam exposure unit | Masao Yamaguchi, Yasuyuki Fukutome | 2001-04-17 |
| 6201625 | Multi-beam exposure unit | Masao Yamaguchi, Yasuyuki Fukutome | 2001-03-13 |