Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8129617 | Electric distribution box | Makoto Nakayama | 2012-03-06 |
| 8129083 | Electrophotographic photoreceptor and image forming apparatus | Tomoko Sakimura, Toyoko Shibata, Fumitaka Mochizuki, Masanori YUMITA | 2012-03-06 |
| 8071877 | Box for accommodating electric connection box | Makoto Nakayama, Yutaka Sekiuchi | 2011-12-06 |
| 8034519 | Electrophotographic photoreceptor and image formation method | Tomoko Sakimura, Toyoko Shibata | 2011-10-11 |
| 8009527 | Optical pickup device | Yuzo Shimizu, Daisuke Furukawa, Naoto Shimada, Toshihiro Kuroda, Toyonori Kusuhara +1 more | 2011-08-30 |
| 7969834 | Optical pickup device having a structure providing efficient light usage | Naoki Nakanishi, Tatsuya Nakamori, Naoto Shimada | 2011-06-28 |
| 7560209 | Electrophotographic image forming apparatus and image forming unit | Shigeaki Tokutake, Takao Fukaya, Tsuyoshi Shimoda | 2009-07-14 |
| 7470886 | Light receiving circuit, semiconductor laser device, and optical pickup device | Yuzo Shimizu, Hisatada Yasukawa, Kenji Imaizumi, Shinichi Miyamoto, Yosuke Kuroiwa | 2008-12-30 |
| 7313061 | Optical pickup having a plurality of photodetectors divided into four regions used to obtain both focus and tracking error signals | Masahiko Nishimoto, Tatsuya Nakamori, Yasuyuki Kochi | 2007-12-25 |
| 7247826 | Optical pickup apparatus | Naoki Nakanishi, Tatsuya Nakamori, Naoto Shimada | 2007-07-24 |
| 7057146 | Optical pickup having a diffraction grating and a hologram element | Masahiko Nishimoto | 2006-06-06 |
| 7041988 | Electron beam exposure apparatus and electron beam processing apparatus | Susumu Goto, Osamu Kamimura, Yasunari Sohda | 2006-05-09 |
| 6878496 | Electrophotoreceptor, image forming method, image forming apparatus and processing cartridge | Masao Asano, Tomoo Sakimura, Hirofumi Hayata | 2005-04-12 |
| 6787780 | Multi-beam exposure apparatus using a multi-axis electron lens, fabrication method of a semiconductor device | Takeshi Haraguchi, Hiroshi Yasuda | 2004-09-07 |
| 6764925 | Semiconductor device manufacturing system and electron beam exposure apparatus | Hiroshi Yasuda, Takeshi Haraguchi | 2004-07-20 |
| 6703624 | Multi-beam exposure apparatus using a multi-axis electron lens, electron lens convergencing a plurality of electron beam and fabrication method of a semiconductor device | Takeshi Haraguchi, Hiroshi Yasuda | 2004-03-09 |
| 6620567 | Electrophotographic photoreceptor, image forming apparatus and processing cartridge | Tomoo Sakimura, Hirofumi Hayata, Chigusa Miyake | 2003-09-16 |
| 6472113 | Electrophotoreceptor, image forming apparatus and processing cartridge | Hirohumi Hayata | 2002-10-29 |
| 6040105 | Electrophotographic photoreceptor, and a production method of the same | Tatsuo Nakanishi, Eiichi Kijima | 2000-03-21 |
| 5337247 | Exposure data forming method, pattern forming method, pattern exposure method and pattern exposure apparatus | — | 1994-08-09 |