Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8993954 | Optical encoder having a high resolution detection mode to detect a fine pitch pattern and a low resolution detection mode to detect a coarse pitch pattern | Haruhiko Horiguchi | 2015-03-31 |
| 8993955 | Encoder and apparatus using the same | Hitoshi Nakamura | 2015-03-31 |
| 8735801 | Optical encoder | — | 2014-05-27 |
| 8698071 | Rotary encoder having multiple slit arrays, which detects rotation angle | — | 2014-04-15 |
| 8546747 | Rotary encoder and optical apparatus | — | 2013-10-01 |
| 8497469 | Rotary encoder that detects rotation angle | — | 2013-07-30 |
| 8487237 | Rotary encoder and method of assembling the same | Ikuo Watanabe, Masahiko Igaki, Hiraku Kozuka, Satoru Hamasaki, Makoto Ogura +2 more | 2013-07-16 |
| 7843774 | Optical information recording and reproducing apparatus capable of coma aberration correction | — | 2010-11-30 |
| 7791986 | Optical information recording/reproducing apparatus | Osamu Koyama, Koichiro Nishikawa, Shinnosuke Torii, Haruhiko Horiguchi | 2010-09-07 |
| 7787332 | Optical information recording-reproducing apparatus | — | 2010-08-31 |
| 7561500 | Apparatus using light-attenuating element for optically reproducing and recording information | — | 2009-07-14 |
| 7145847 | Annealed optical information recording medium and optical information recording/reproducing apparatus for the same | Tsutomu Shiratori | 2006-12-05 |