Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10962750 | Projection optical system, projection apparatus, and projection system | Yohei Takano, Hibiki Tatsuno | 2021-03-30 |
| 10606042 | Magnification optical system | Hibiki Tatsuno, Kiichiro Nishina, Takanobu Osaka, Makoto Hirakawa | 2020-03-31 |
| 10585269 | Projection optical system, projection apparatus, and projection system | Yohei Takano, Hibiki Tatsuno | 2020-03-10 |
| 10451961 | Focus adjustment system for an image display device | Hibiki Tatsuno, Kiichiro Nishina, Takanobu Osaka, Makoto Hirakawa | 2019-10-22 |
| 10310238 | Magnification optical system | Hibiki Tatsuno, Kiichiro Nishina, Takanobu Osaka, Makoto Hirakawa | 2019-06-04 |
| 10228546 | Projection optical system, projection apparatus, and projection system | Yohei Takano, Hibiki Tatsuno | 2019-03-12 |
| 9864260 | Image display apparatus and image display unit | Hibiki Tatsuno, Yohei Takano | 2018-01-09 |
| 9864177 | Projection optical system, projection apparatus, and projection system | Yohei Takano, Hibiki Tatsuno | 2018-01-09 |
| 9841584 | Magnification optical system | Hibiki Tatsuno, Kiichiro Nishina, Takanobu Osaka, Makoto Hirakawa | 2017-12-12 |
| 9690179 | Illumination unit and image display device incorporating same | — | 2017-06-27 |
| 9348121 | Magnification optical system | Hibiki Tatsuno, Kiichiro Nishina, Takanobu Osaka, Makoto Hirakawa | 2016-05-24 |
| 9158119 | Enlargement optical system | Kiichiro Nishina, Makoto Hirakawa, Hibiki Tatsuno, Takanobu Osaka | 2015-10-13 |
| 9069238 | Image displaying apparatus | Kiichiro Nishina, Makoto Hirakawa, Hibiki Tatsuno, Takanobu Osaka | 2015-06-30 |
| 9046674 | Magnification optical system | Hibiki Tatsuno, Kiichiro Nishina, Takanobu Osaka, Makoto Hirakawa | 2015-06-02 |
| 9039196 | Image displaying apparatus having plane mirror at conjugate to image displaying element | Makoto Hirakawa, Hibiki Tatsuno, Takanobu Osaka, Kiichiro Nishina | 2015-05-26 |
| 8922883 | Magnification optical system | Hibiki Tatsuno, Kiichiro Nishina, Takanobu Osaka, Makoto Hirakawa | 2014-12-30 |
| 8913098 | Optical scanning device and image forming apparatus | Daisuke Ichii | 2014-12-16 |
| 8901472 | Image displaying apparatus including a projection optical system and a reflective image display element with plural micro-mirrors | Takanobu Osaka, Yoshio Kubo, Tetsuya Fujioka | 2014-12-02 |
| 8456502 | Optical scanner and image forming apparatus using the same | — | 2013-06-04 |
| 8310517 | Optical scanning device and image forming apparatus | — | 2012-11-13 |
| 7969460 | Optical scanning device and image forming apparatus | Kazuhiro Akatsu, Takeshi Mochizuki | 2011-06-28 |
| 7755823 | Optical device, semiconductor laser module, optical scanning device, and image forming apparatus | — | 2010-07-13 |
| 7702198 | Semiconductor laser module and light scanning device and image forming apparatus using the same | — | 2010-04-20 |
| 7542642 | Multi-beam generating device and optical recording device using the same | Susumu Monma, Keiji Kataoka | 2009-06-02 |
| 7439998 | Optical recording apparatus | — | 2008-10-21 |