Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11130404 | Head-up display apparatus | Norihide Yamada, Osamu Tannai, Toshiyuki Kojima, Kazuhiro Sugawara | 2021-09-28 |
| 10864820 | Virtual image display optical system and image display device | Kentarou Nakamura, Norihide Yamada, Eiji Nomura, Shinichiro Saito | 2020-12-15 |
| 8077585 | Condenser lens for an objective lens system | Tohru Kimura, Yuichi Atarashi, Toshiyuki Kojima | 2011-12-13 |
| 7924683 | Optical pickup apparatus with objective optical system and guiding optical system | Tohru Kimura, Mitsuru Mimori | 2011-04-12 |
| 7668066 | Optical pickup apparatus | Yuichi Atarashi, Kohei Ota, Kiyono Ikenaka | 2010-02-23 |
| 7593307 | Objective optical system for optical pickup apparatus, optical pickup apparatus, driving apparatus for optical information recording medium, condenser lens and optical path compounding element | Tohru Kimura, Yuichi Atarashi, Toshiyuki Kojima | 2009-09-22 |
| 7558180 | Light source apparatus provided with beam shaping element and optical pick-up apparatus having the same | Katsuya Sakamoto | 2009-07-07 |
| 7525879 | Objective optical element and optical pickup apparatus | Mitsuru Mimori, Kiyono Ikenaka | 2009-04-28 |
| 7463570 | Multi-focus objective lens, optical pickup apparatus and optical information recording reproducing apparatus | Tohru Kimura | 2008-12-09 |
| 7379411 | Beam shaping device | Kazunari Tada, Yuichiro Ori | 2008-05-27 |
| 7116493 | Beam shaping device | Kazunari Tada, Yuichiro Ori | 2006-10-03 |
| 6922289 | Objective lens system for optical pickups | Kyu Takada | 2005-07-26 |
| 6781767 | Zoom optical system with a prescribed conjugate distance | Masaya Kinoshita, Kenji Hamada | 2004-08-24 |
| 6714330 | Scanning optical system | — | 2004-03-30 |
| 6624951 | Objective lens system for optical pickups | Kyu Takada, Hideki Nagata | 2003-09-23 |
| 6384985 | Zoom lens system | — | 2002-05-07 |
| 6327440 | Camera | Nobuyuki Taniguchi, Hideo Kajita, Yujiro Mima, Nobuya Miki, Masayuki Ikemura | 2001-12-04 |
| 6304361 | Scanning optical system | — | 2001-10-16 |
| 6166862 | Designing method of zoom optical system | Yuichiro Ori | 2000-12-26 |
| 5986818 | Gradient index aspherical lens | — | 1999-11-16 |
| 5978149 | Zoom lens system | Hiromu Mukai, Hideki Nagata | 1999-11-02 |
| 5978154 | Zoom lens system | — | 1999-11-02 |
| 5973849 | Zoom lens system | — | 1999-10-26 |
| 5923478 | Zoom lens system | — | 1999-07-13 |
| 5786941 | Zoom lens system | Minoru Kuwana, Hitoshi Hagimori | 1998-07-28 |