Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6980303 | Light-emitting/receiving combined unit and displacement sensors using the same | Hidehiro Kume, Kayoko Taniguchi, Akihiro Kuroda | 2005-12-27 |
| 6392967 | Apparatus for measuring characteristics of optical disc systems and method | Kenji Shintani, Shunsuke Kohama, Yukari Hashimoto | 2002-05-21 |
| 6366631 | Jitter measuring method utilizing A/D conversion and device | Kenji Shintani, Shunsuke Kohama, Yukari Hashimoto | 2002-04-02 |
| 6246041 | Apparatus and method for measuring focusing characteristics of optical pickup and/or optical disc and apparatus and method for recording and/or reproducing optical disc | Kenji Shintani, Shunsuke Kohama, Yukari Hashimoto | 2001-06-12 |
| 6226246 | Apparatus and method for measuring characteristics of optical pickup and/or optical disc | Kenji Shintani, Shunsuke Kohama, Yukari Hashimoto, Hideo Kato | 2001-05-01 |
| 6201886 | Image collation device | — | 2001-03-13 |
| 6188780 | Image collation device | — | 2001-02-13 |
| 6185317 | Image collation device | — | 2001-02-06 |
| 6052474 | Method and apparatus for collating images | — | 2000-04-18 |
| 6049087 | Method for detecting origin point of position sensor | — | 2000-04-11 |
| 6049075 | Method for detecting origin point of position sensor | — | 2000-04-11 |
| 6031942 | Image collation method and apparatus for excluding combinations of coordinate values | — | 2000-02-29 |
| 6025907 | Apparatus and method for measuring characteristics of optical pickup and/or optical disc | Kenji Shintani, Shunsuke Kohama, Yukari Hashimoto | 2000-02-15 |
| 5955728 | Method for detecting origin point of position sensor | — | 1999-09-21 |
| 5696443 | Magnetic reluctance sensor arrangement with titled reluctance element | Satoshi Sakamoto | 1997-12-09 |
| D382862 | Sensor plate for a fingerprint identifying machine | Mitsuo Sakamoto | 1997-08-26 |
| 5602681 | Lens barrel for a video camera, and linear feeding system thereof | Satoshi Sakamoto, Eiji Ohshima, Kazuhiro Tanaka, Shuji Moro | 1997-02-11 |
| 5534692 | Method for detecting origin point of position sensor | — | 1996-07-09 |
| 5519465 | Camera lens barrel having both pulse drive control and microstep drive control | Hiroshi Kawamura, Norikatsu Inoue, Kunio Nakazato | 1996-05-21 |
| 5453684 | Position detecting method for use in optical system of a video camera for correcting gain and offset for periodic waveforms | — | 1995-09-26 |
| 5444240 | Position detecting apparatus employing an estimating function | — | 1995-08-22 |
| 5208535 | MR position detecting device | Satoshi Sakamoto | 1993-05-04 |
| 4897647 | Method for absolute position detection and an apparatus therefore | Keiji Sakamoto | 1990-01-30 |