Issued Patents All Time
Showing 26–50 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9118907 | Imaging device enabling automatic taking of photo when pre-registered object moves into photographer's intended shooting distance | Kenichi Hayashi, Keiki Yoshitsugu | 2015-08-25 |
| 8792027 | Solid-state image pickup device, imaging device, and dispersing element | Yasuhiro Tanaka, Kazuhiro Yamada, Kazuyoshi Itoh, Yasuyuki Ozeki | 2014-07-29 |
| 8767518 | Objective lens element and optical pickup device | Katsuhiko Hayashi, Yasuhiro Tanaka, Fumitomo Yamasaki | 2014-07-01 |
| 8760989 | Objective lens element | Katsuhiko Hayashi, Yasuhiro Tanaka, Yoshiaki Komma, Kazuhiko Ishimaru | 2014-06-24 |
| 8743185 | Stereoscopic imaging optical system, imaging device, and camera | Shinji Yamaguchi, Keiki Yoshitsugu | 2014-06-03 |
| 8611199 | Objective lens element and optical pickup device | Katsuhiko Hayashi, Yoshiaki Komma, Yasuhiro Tanaka | 2013-12-17 |
| 8576685 | Objective lens element | Katsuhiko Hayashi, Yasuhiro Tanaka | 2013-11-05 |
| 8531926 | Optical system for optical pickup | Katsuhiko Hayashi, Yasuhiro Tanaka, Fumitomo Yamasaki | 2013-09-10 |
| 8472299 | Optical element and optical pickup device using the same | Katsuhiko Hayashi, Yasuhiro Tanaka | 2013-06-25 |
| 8406110 | Objective lens element | Katsuhiko Hayashi, Yasuhiro Tanaka, Yoshiaki Komma | 2013-03-26 |
| 8305864 | Compound objective lens, optical head device, optical information device, and information processing device | Yoshiaki Komma, Katsuhiko Hayashi, Fumitomo Yamasaki | 2012-11-06 |
| 8264936 | Diffractive optical element, objective optical system including the same, and optical pickup including the same | Yasuhiro Tanaka, Katsuhiko Hayashi | 2012-09-11 |
| 8233372 | Optical system for compensating for coma aberration and/or spherical aberration in an optical pickup device and optical pickup device having the same | Yasuhiro Tanaka, Katsuhiko Hayashi, Masahiro Birukawa | 2012-07-31 |
| 8179768 | Optical system for compensating for spherical aberration and/or coma aberration in an optical pickup device and optical pickup device having the same | Yasuhiro Tanaka, Katsuhiko Hayashi, Masahiro Birukawa | 2012-05-15 |
| 7924686 | Objective lens and optical pickup device | Takahiro Tomita, Yoshiaki Komma, Katsuhiko Hayashi | 2011-04-12 |
| 7920455 | Complex optical element and optical pickup | Katsuhiko Hayashi, Jun Murata, Yasuhiro Tanaka | 2011-04-05 |
| 7894139 | Imaging apparatus and method for manufacturing microlens array | Kenichi Hayashi, Hiroaki Okayama | 2011-02-22 |
| 7880794 | Imaging device including a plurality of lens elements and a imaging sensor | Hiroaki Okayama, Kazutake Boku, Yasuhiro Tanaka, Kenichi Hayashi, Yoshimasa Fushimi +2 more | 2011-02-01 |
| 7850319 | Light-absorbing member | Motonobu Yoshikawa, Yoshiharu Yamamoto, Yasuhiro Tanaka | 2010-12-14 |
| 7817525 | Objective lens and optical pickup device | Takahiro Tomita, Yoshiaki Komma, Katsuhiko Hayashi | 2010-10-19 |
| 7801008 | Diffractive optical element, objective optical system including the same, and optical pickup including the same | Yasuhiro Tanaka, Katsuhiko Hayashi | 2010-09-21 |
| 7782540 | Optical head apparatus and optical information recording and reproduction apparatus | Yasuhiro Tanaka, Tomohiko Sasano, Daisuke Ogata | 2010-08-24 |
| 7656769 | Optical pickup and objective optical system for use in the same | Katsuhiko Hayashi, Akihiro Arai, Yasuhiro Tanaka | 2010-02-02 |
| RE40954 | Objective lens and optical head device | Tomohiko Sasano, Yasuhiro Tanaka | 2009-11-10 |
| 7602561 | Optical head apparatus and optical information recording and reproduction apparatus | Yasuhiro Tanaka, Tomohiko Sasano, Daisuke Ogata | 2009-10-13 |