Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7026654 | Package for optical semiconductor | Makoto Ogura, Akio Atsuta, Tadashi Kosaka | 2006-04-11 |
| 7022974 | Sensor using roof mirror/roof prism array scale, and apparatus equipped with the sensor | Akio Atsuta | 2006-04-04 |
| 7019282 | Optical encoder | Akio Atsuta | 2006-03-28 |
| 7019281 | Rotation angle detection apparatus and rotary disk for same | Akio Atsuta | 2006-03-28 |
| 6975408 | Reflection scale and displacement measurement apparatus using the same | Akio Atsuta | 2005-12-13 |
| 6901682 | Rotation angle detecting apparatus and its rotary disc | Yasushi Miura, Manabu Takayama | 2005-06-07 |
| 6891150 | Optical scale formed from mold having fixed and movable platens | Manabu Takayama | 2005-05-10 |
| 6869158 | Liquid container with identifying means and method for detecting state of mount of liquid container | Yoshinori Kojima, Masanori Takenouchi, Hajime Yamamoto, Eiichiro Shimizu, Yasuo Kotaki +1 more | 2005-03-22 |
| 6803560 | Optical encoder | Ichiro Okumura, Yasushi Miura, Manabu Takayama | 2004-10-12 |
| 6654128 | Displacement information detecting apparatus | Manabu Takayama | 2003-11-25 |
| 6639207 | Optical rotary encoder and motor control apparatus | Shinji Yamamoto | 2003-10-28 |
| 5506681 | Method for detecting a reference position and displacement detector using the same | — | 1996-04-09 |
| 5483059 | Signal processing method using comparator level adjustment in a displacement measuring device | Kenichi Kataoka, Katsuhiro Fujii | 1996-01-09 |
| 5481106 | Encoder with an optical scale and interference of zero and first order diffraction beams | Masaru Nyui, Ko Ishizuka | 1996-01-02 |
| 5359193 | Talbot's interference type optical encoder | Masaru Nyui | 1994-10-25 |
| 5327218 | Method and apparatus for measuring displacement by using a diffracted inverted image projected on a diffraction grating | — | 1994-07-05 |
| 5323001 | Rotary encoder with scale member and interference of zero and first order diffraction beam | Yoshifumi Nishimoto | 1994-06-21 |
| 5302821 | Encoder using a birefringent element and a system including the same | Koh Ishizuka, Masaru Nyui | 1994-04-12 |
| 5211390 | Sheet feeding device | — | 1993-05-18 |
| 5176376 | Vibration sheet feeder | Yoshifumi Nishimoto, Kenichi Kataoka, Koji Kitani, Hiroyuki Seki, Eiichi Yanagi | 1993-01-05 |
| 5124548 | Encoder for detecting relative displacement having first and second scales and a light receiving device | — | 1992-06-23 |
| 5085423 | Sheet feeding device | Yoshifumi Nishimoto, Kenichi Kataoka, Naruto Sugimoto, Hiroyuki Seki, Atsushi Kimura | 1992-02-04 |
| 5065999 | Sheet feeding device utilizing vibration waves | Kenichi Kataoka, Yoshifumi Nishimoto, Eiichi Yanagi | 1991-11-19 |
| 5062622 | Vibratory sheet feeder which uses phase adjustment to control the sheet feeding speed | Kenichi Kataoka, Yoshifumi Nishimoto | 1991-11-05 |
| 4820918 | Optical encoder including transparent substrates having formed indicators therein | Masahiro Rachi, Tomohiro Maekawa | 1989-04-11 |