Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11467384 | Telecentric optical apparatus | Kenji Okabe, Tatsuya Nagahama, Kimitoshi Ono | 2022-10-11 |
| 10520710 | Telecentric optical apparatus | Kenji Okabe, Tatsuya Nagahama, Kimitoshi Ono | 2019-12-31 |
| 10184810 | Encoder having light-receiving unit that includes light-receiving element array | — | 2019-01-22 |
| 10041815 | Photoelectric encoder having a two-level code pattern using three or more bit-combination patterns | Shu Hirata | 2018-08-07 |
| 10003321 | Encoder having phase adjuster for offsetting phases of multi-phase input signal | Tetsuro Kiriyama | 2018-06-19 |
| 9383231 | Photoelectric encoder having an interference pattern signal processing unit detects the pseudo-random data of the absolute pattern of an absolute scale | Yoshiaki Kato | 2016-07-05 |
| 8987905 | Semiconductor package and method for manufacturing the same | Ken Mizuno | 2015-03-24 |
| 8742321 | Origin location detection circuit | Ryuichi Koiso | 2014-06-03 |
| 8637805 | Optical encoder using off-axis imaging through a lens | Eric Altendorf, Tatsuya Nagahama, Miyako Mizutani | 2014-01-28 |
| 8492703 | Lens aberration correction in a doubly telecentric displacement sensor | Joseph Daniel Tobiason, Emi Kaneko, Eric Altendorf | 2013-07-23 |
| 8476577 | Optical encoder | Tatsuya Nagahama, Miyako Mizutani | 2013-07-02 |
| 8127993 | Reflection type encoder, scale thereof and method for producing scale | Atsushi Tominaga | 2012-03-06 |
| 7619208 | Photoelectric encoder, scale and method of manufacturing scale | Norio Masada, Yukinari Nozawa | 2009-11-17 |
| 7592584 | Crosstalk preventing optical encoder | Takanori Otsuka, Kazuhiko Kodama | 2009-09-22 |
| 7485845 | Photoelectric encoder capable of effectively removing harmonic components | Tetsuro Kiriyama | 2009-02-03 |
| 7446306 | Photoelectric encoder having multiple light-receiving elements | Hiroaki Kawada | 2008-11-04 |
| 7265338 | Photoelectric encoder using an incoherent semiconductor light source | Tetsuro Kiriyama, Shingo Nihommori | 2007-09-04 |
| 6635863 | Optical encoder | Shingo Nihommori, Seiji Sakagami | 2003-10-21 |
| 6621068 | Optical encoder and method of fabricating its sensor head | Toshihiko Aoki, Tetsuro Kiriyama | 2003-09-16 |
| 5440501 | Energy saving capacitance type measuring device for absolute measurement of positions | Toshitaka Shimomura, Satoshi Adachi, Tatsuhiko Matsuura, Osamu Kawatoko | 1995-08-08 |