Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11927846 | Liquid crystal display device and electronic apparatus | Tsuyoshi Okazaki | 2024-03-12 |
| 11835696 | Optical system and projector | — | 2023-12-05 |
| 11720012 | Optical system | — | 2023-08-08 |
| 11181724 | Projection optical system and projector | — | 2021-11-23 |
| 10908740 | Irradiation optical system and projector | — | 2021-02-02 |
| 10659669 | Projection display unit | — | 2020-05-19 |
| 10459575 | Irradiation optical system and projector | — | 2019-10-29 |
| 9523908 | Image projection apparatus and image projection method | Mikinori Matsuda | 2016-12-20 |
| 9335558 | Illumination device and display device | Hiroshi Isobe, Kazuyuki Takahashi | 2016-05-10 |
| 9239463 | Illumination device and display unit for suppressing luminance unevenness and interference pattern | — | 2016-01-19 |
| 9176367 | Illumination device and display unit including a light source section, first and second uniformization optical members, an optical device, and a drive section | Kazumasa Kaneda, Koji Miura, Kazuyuki Takahashi | 2015-11-03 |
| 8864317 | Projection display | — | 2014-10-21 |
| 8233370 | Objective lens, optical pickup and optical disc apparatus | — | 2012-07-31 |
| 8139463 | Objective lens, optical pickup, and optical disc apparatus | — | 2012-03-20 |
| 8116188 | Objective lens, optical pickup and optical disk apparatus | — | 2012-02-14 |
| 8102749 | Object lens, optical pickup, and optical disc device | Kazumasa Kaneda, Yoshito Asoma, Kazuyuki Takahashi | 2012-01-24 |
| 8064315 | Condensing optical device, optical pickup, and optical disc apparatus | — | 2011-11-22 |
| 7924684 | Object lens, optical pickup, and optical disc device | Kazumasa Kaneda, Yoshito Asoma, Kazuyuki Takahashi | 2011-04-12 |