Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10539287 | Headlight module and headlight device | Masashige Suwa, Ritsuya Oshima, Keiji Nakamura, Kuniko Kojima | 2020-01-21 |
| 10495277 | Headlight module with two light guides receiving light from two light sources | Masashige Suwa, Ritsuya Oshima, Keiji Nakamura, Kuniko Kojima | 2019-12-03 |
| 10458611 | Headlight module and headlight device | Masashige Suwa, Ritsuya Oshima, Kuniko Kojima | 2019-10-29 |
| 10400976 | Light source for headlight and headlight for moving object | Takashi Ohsawa | 2019-09-03 |
| 10363860 | Headlight module and headlight apparatus | Masashige Suwa, Ritsuya Oshima, Kuniko Kojima | 2019-07-30 |
| 10336240 | Headlight unit and headlight | Ritsuya Oshima, Masahige Suwa, Kuniko Kojima | 2019-07-02 |
| 10267472 | Headlight module and headlight device | Masashige Suwa, Ritsuya Oshima, Kuniko Kojima | 2019-04-23 |
| 9951918 | Vehicle headlight device and light guide element | Masashige Suwa | 2018-04-24 |
| 9945528 | Headlight module and headlight device | Masashige Suwa, Ritsuya Oshima, Kuniko Kojima | 2018-04-17 |
| 9810392 | Vehicle headlight device | Masashige Suwa, Ritsuya Oshima, Atsushi Michimori, Kuniko Kojima | 2017-11-07 |
| 9689549 | Vehicle headlight device | Masashige Suwa, Ritsuya Oshima, Atsushi Michimori, Kuniko Kojima | 2017-06-27 |
| 9261765 | Light converging optical system and projection-type image display apparatus | Masashige Suwa, Kuniko Kojima | 2016-02-16 |
| 9261758 | Projection optical system and projection-type image display apparatus | — | 2016-02-16 |
| 9103950 | Surface light source device and liquid crystal display device | Rena Nishitani, Nami Nakano, Shuichi Kagawa, Kuniko Kojima | 2015-08-11 |
| 8998474 | Surface light source device and liquid crystal display apparatus | Rena Nishitani, Nami Nakano, Shuichi Kagawa, Kuniko Kojima | 2015-04-07 |
| 8879143 | Optical element, screen, and display device | Satoru Okagaki, Eiji Yokoyama, Tomohiro Sasagawa, Jun Kondo, Kuniko Kojima +1 more | 2014-11-04 |
| 8840251 | Light collecting optical system and projection-type image display apparatus | — | 2014-09-23 |
| 8337024 | Projection optical system and image display apparatus | Tomohiro Sasagawa | 2012-12-25 |
| 8139166 | Image projection apparatus and projection optical system | Tomohiro Sasagawa | 2012-03-20 |
| 8134526 | Light diffusion element, screen, and image projector | Tomohiro Sasagawa, Jun Someya, Hiroaki Sugiura | 2012-03-13 |
| 7677738 | Image projector | Tomohiro Sasagawa, Kuniko Kojima, Akihiro Yamada | 2010-03-16 |