Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11586231 | Reaction compensation device and fast steering mirror system | Osamu Takahara, Kazuhide Kodeki | 2023-02-21 |
| 11101760 | Electric motor control device | Tetsuya Kimura, Yasushi Otsuka | 2021-08-24 |
| 10495281 | Projection optical instrument and headlight device | Mitsuhiro Yamazumi, Atsushi Michimori | 2019-12-03 |
| 8879143 | Optical element, screen, and display device | Satoru Okagaki, Tomohiro Sasagawa, Jun Kondo, Muneharu Kuwata, Kuniko Kojima +1 more | 2014-11-04 |
| 8827457 | Projector | Shinichi Wakabayashi | 2014-09-09 |
| 8675145 | Projector | Shinichi Wakabayashi | 2014-03-18 |
| 8390951 | Vibration damping device and disc device having vibration damping device | — | 2013-03-05 |
| 8149665 | Optical disc device | — | 2012-04-03 |
| 7661823 | Prism structure and projector | Yoshihiro Terada, Takashi Saegusa, Hidetoshi Hashizume | 2010-02-16 |
| 7116611 | Position control method | — | 2006-10-03 |
| 6947359 | Optical disk device for data defect detection and use | Tomoaki Ryu | 2005-09-20 |
| 6724503 | Image sensor substrate and image sensor employing it | Teruhisa Sako, Hiroaki Hayashi | 2004-04-20 |
| 6654218 | Protection circuit module for rechargeable battery and method of making the same | Keigo Nakamura, Naoya Tanaka | 2003-11-25 |
| 6489757 | Optical interface with low-voltage relay unit and high-voltage regulation unit | Masaaki Ogata | 2002-12-03 |
| 6469724 | Thick-film thermal print head and its manufacturing method | Hiroaki Hayashi, Takumi Yamade | 2002-10-22 |
| 6448993 | Construction of thermal print head and method of forming protective coating | Hiroaki Hayashi, Takumi Yamade | 2002-09-10 |
| 6424367 | Thick-film thermal printhead | Shinobu Obata | 2002-07-23 |
| 6304280 | Thermal printhead and method of making the same | Takumi Yamade, Hiroaki Hayashi | 2001-10-16 |
| 6236422 | Thermal printhead and protective cover used for the same | Takaya Nagahata, Yasuhiro Yoshikawa | 2001-05-22 |
| 5986984 | Optical information processing device having switchable optics for use with plural media types | Keiji Nakamura, Masahisa Shinoda, Takeshi Utakouji, Norihiro Watanabe, Nobuo Takeshita +4 more | 1999-11-16 |
| 5947402 | Magnetic recording and reproducing apparatus for controlling the tension of a magnetic tape | Masato Nagasawa, Kazuo Mori, Seiji Kishikawa, Masami Tomita, Nobuzumi Kurihara | 1999-09-07 |
| 5725168 | Magnetic recording and reproducing apparatus for controlling the tension of a magnetic tape | Masato Nagasawa, Kazuo Mori, Seiji Kishikawa, Masami Tomita, Nobuzumi Kurihara | 1998-03-10 |
| 5602688 | Method and apparatus for controlling surface pressure exerted on a movable magnetic head by a recording medium | Masato Nagasawa | 1997-02-11 |
| 5566378 | Movable head position controlling device for magnetic recording and reproducing apparatuses | Masato Nagasawa | 1996-10-15 |
| 5481417 | Tape tension control for a magnetic recording and reproducing apparatus that adjusts spacing error based on the reproduced signal envelope | Masato Nagasawa | 1996-01-02 |