Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7461789 | Electronic document management system, image forming device, method of managing electronic document, and program | Hiroshi Katsurabayashi | 2008-12-09 |
| 7449670 | Amplifier circuit and optical pickup device | Hiroshi Yamaguchi, Tetsuo Chato, Yasufumi Shirakawa, Yuzo Shimizu | 2008-11-11 |
| 7442913 | Photocurrent amplifier circuit and optical pick-up device | Hideo Fukuda | 2008-10-28 |
| 7391265 | Amplifier unit and optical disc drive | Yousuke Kuroiwa, Masaya Ueda, Hideo Fukuda, Hiroshi Yamaguchi, Masaki Taniguchi | 2008-06-24 |
| 7335872 | Photocurrent amplifier circuit and optical pick-up device | Hideo Fukuda | 2008-02-26 |
| 7238447 | Enclosed nickel-zinc primary battery its anode and production methods for them | Kunihiko Miyamoto, Shuichiro Irie, Naomi Hadano, Teiji Okayama | 2007-07-03 |
| 6703755 | Brush-equipped motor and method of exchanging brushes thereof | Tadashi Yasui | 2004-03-09 |
| 6149320 | Photosensitive material processing apparatus and sealing structure for processing section of the apparatus | Kazuo Ichikawa, Kenichi Miyamoto, Tomoyuki Takiue, Yutaka Takeo, Susumu Yoshida +1 more | 2000-11-21 |
| 5623456 | Electroluminescent indicator hand | Nobuhiro Tanaka | 1997-04-22 |
| 5480438 | Bioactive ceramic coated surgical implant | Yuusuke Arima, Kensho Sahira | 1996-01-02 |
| D341536 | Portable electric saw | Kenji Fukuda | 1993-11-23 |
| D339275 | Portable electric sander | Kenji Fukuda | 1993-09-14 |
| D338382 | Portable electric belt sander | Kenji Fukuda | 1993-08-17 |
| 5176593 | Speed changing mechanism including planet gears and one-way clutch | Tadashi Yasui | 1993-01-05 |