Issued Patents All Time
Showing 76–100 of 150 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D734582 | Steam iron | Masakazu Umeda | 2015-07-14 |
| 8911092 | Illuminating device, projecting device, and method for controlling projecting device | Tatsuya Takahashi | 2014-12-16 |
| 8905550 | Projection optical system and image projection device | Tatsuya Takahashi, Issei Abe | 2014-12-09 |
| RE45258 | Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus | Atsushi Takaura, Nobuo Sakuma | 2014-11-25 |
| 8807763 | Image projection apparatus | Tatsuya Takahashi, Issei Abe | 2014-08-19 |
| 8777421 | Projection optical system | Atsushi Takaura, Issei Abe, Akihiro Yamakage, Osamu Nagase, Yoshitsugu Kohno | 2014-07-15 |
| 8657450 | Projection optical system and image projection device | Issei Abe, Tatsuya Takahashi | 2014-02-25 |
| 8529070 | Projection optical apparatus | Atsushi Takaura, Issei Abe, Akihiro Yamakage, Osamu Nagase, Yoshitsugu Kohno | 2013-09-10 |
| 8511837 | Projection optical system and image projector | Tatsuya Takahashi, Issei Abe | 2013-08-20 |
| 8284462 | Image reading device and image forming apparatus | Issei Abe, Kiichiro Nishina, Masahiro Itoh | 2012-10-09 |
| 8254039 | Variable magnification optical system and projector | Issei Abe | 2012-08-28 |
| 8198926 | Loop type clock adjustment circuit and test device | Kazuhiro Yamamoto, Masakatsu Suda | 2012-06-12 |
| 8189264 | Projection optical system and image display device | Issei Abe | 2012-05-29 |
| 8162485 | Intermediate image formation optical system, image formation device, and methods thereof | Atsushi Takaura, Takanobu Osaka, Yasuyuki Takiguchi, Toshiaki Tokita, Kazuya Miyagaki +1 more | 2012-04-24 |
| 8128238 | Projection optical system and image displaying apparatus | Atsushi Takaura, Issei Abe | 2012-03-06 |
| 8025415 | Projection optical system and image projecting apparatus | Issei Abe, Atsushi Takaura | 2011-09-27 |
| 7995275 | Polarization conversion element, polarization conversion optical system and image projecting apparatus | Ikuo Maeda | 2011-08-09 |
| 7987062 | Delay circuit, test apparatus, storage medium semiconductor chip, initializing circuit and initializing method | Masakatsu Suda, Takuya Hasumi | 2011-07-26 |
| 7946717 | Projection optical system and image projecting apparatus | Issei Abe, Atsushi Takaura | 2011-05-24 |
| 7938545 | Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus | Atsushi Takaura, Nobuo Sakuma | 2011-05-10 |
| 7922341 | Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus | Atsushi Takaura, Nobuo Sakuma | 2011-04-12 |
| 7911704 | Projection optical system and image display apparatus | Atsushi Takaura, Issei Abe | 2011-03-22 |
| 7905662 | Connecting device, connecting system, optical waveguide and connecting method | Daisuke Watanabe, Toshiyuki Okayasu | 2011-03-15 |
| 7857458 | Image display device and image projection device | Atsushi Takaura, Yasuyuki Takiguchi, Toshiaki Tokita, Toshiharu Murai, Hiroyuki Sugimoto +2 more | 2010-12-28 |
| 7824037 | Color separation device, imaging optical engine, and projection apparatus | Satoshi Yamauchi | 2010-11-02 |