Issued Patents All Time
Showing 25 most recent of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10310321 | Optical element, manufacturing method of optical element, and optical device | Koji Hirata, Hiroyuki Minemura, Yumiko Anzai, Tetsuya Nishida, Jiro Yamamoto +2 more | 2019-06-04 |
| 9933553 | Optical element and optical device | Koji Hirata, Hiroyuki Minemura, Yumiko Anzai, Tetsuya Nishida, Jiro Yamamoto +2 more | 2018-04-03 |
| 9904152 | Solid-state light source device | Koji Hirata, Nobuyuki Kimura | 2018-02-27 |
| 9519204 | Light source apparatus used in a projection type image display apparatus | Nobuyuki Kimura, Koji Hirata | 2016-12-13 |
| 9372387 | Laser projector | Yoshiho Seo, Tomoki Kobori, Satoshi Ouchi, Koji Hirata, Junichi Yokoyama +3 more | 2016-06-21 |
| 9348210 | Projection apparatus and transparent screen for it | Koji Hirata, Masahiko Yatsu | 2016-05-24 |
| 9256060 | Pinhole array and display device using same | Tomoki Kobori, Yoshiho Seo, Koji Hirata, Satoshi Ouchi | 2016-02-09 |
| 8733953 | Display apparatus and projection type lighting apparatus therefor | Koji Hirata, Masahiko Yatsu, Takanori Hisada | 2014-05-27 |
| 8690345 | Projection image display apparatus having a first lens and a second lens adjacent to the screen | Koji Hirata, Masahiko Yatsu, Naoyuki Ogura | 2014-04-08 |
| 8662678 | Solid-state light source device | Koji Hirata, Nobuyuki Kimura | 2014-03-04 |
| 8625082 | Display apparatus | Tomoki Kobori, Satoshi Ouchi, Koji Hirata, Kazuo Shikita | 2014-01-07 |
| 8593580 | Projection-type display apparatus | Nobuyuki Kimura, Koji Hirata | 2013-11-26 |
| 8585209 | Projection apparatus with linear fresnel lens and transparent screen therefor | Koji Hirata, Masahiko Yatsu | 2013-11-19 |
| 8462296 | Projection-type display apparatus | Nobuyuki Kimura, Koji Hirata | 2013-06-11 |
| 8441582 | Imaging displaying apparatus and 3-D image displaying apparatus applying the same therein | Koji Hirata, Masahiko Yatsu | 2013-05-14 |
| 8384995 | Rear-surface projection-type video display apparatus | Koji Hirata, Toshihiko Matsuzawa, Tadashi Sato | 2013-02-26 |
| 8287136 | Display apparatus | Tomoki Kobori, Satoshi Ouchi, Koji Hirata, Kazuo Shikita | 2012-10-16 |
| 8210687 | Image displaying apparatus, and a method for adjusting vibrating condition of a reflection mirror in the image displaying apparatus | Tomoki Kobori, Satoshi Ouchi, Koji Hirata, Seiji Murata, Kazuo Shikita | 2012-07-03 |
| 8066385 | Projection display and lighting unit with diffusion optical device | Tomoki Kobori, Satoshi Ouchi, Seiji Murata | 2011-11-29 |
| 8002414 | Image displaying apparatus, and a method for adjusting vibrating condition of a reflection mirror in the image displaying apparatus | Tomoki Kobori, Satoshi Ouchi, Koji Hirata, Seiji Murata, Kazuo Shikita | 2011-08-23 |
| 7901097 | Display apparatus and projection type lighting apparatus therefor | Koji Hirata, Masahiko Yatsu, Takanori Hisada | 2011-03-08 |
| 7832871 | Optical equipment with at least first and second ventilation paths | Kenji Fuse, Mikio Shiraishi, Yasuo Otsuka, Nobuyuki Kaku | 2010-11-16 |
| 7787167 | Display apparatus using micro mirror unit, and method for controlling micro mirror unit | Tomoki Kobori, Satoshi Ouchi, Koji Hirata, Kazuo Shikita | 2010-08-31 |
| 7771904 | Photomask, and method and apparatus for producing the same | Yoshikazu Nagamura, Kouji Tange, Kouki Hayashi | 2010-08-10 |
| 7665849 | Color separating unit and projection type video display apparatus provided with the same | Masahiko Yatsu, Koji Hirata, Kei Adachi | 2010-02-23 |