AT

Atsushi Takaura

Ricoh Company: 33 patents #538 of 9,818Top 6%
Overall (All Time): #107,935 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
7561336 Micro-optical device, spatial optical modulator and projector utilizing the micro-optical device Takanobu Osaka, Kazuhiro Fujita, Kazuya Miyagaki 2009-07-14
7529032 Projection optical system and image display apparatus Issei Abe, Kazuhiro Fujita 2009-05-05
7495831 Optical device, display device, and three-dimension image display device for changing a polarization state of a light beam in time Toshiaki Tokita, Kazuhiro Fujita, Toshiharu Murai, Kazuya Miyagaki, Takanobu Osaka +4 more 2009-02-24
7441908 Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus Kazuhiro Fujita, Nobuo Sakuma 2008-10-28
7336411 Spatial light modulator and display device Kazuya Miyagaki, Kazuhiro Fujita, Takanobu Osaka, Hiroyuki Sugimoto, Yasuyuki Takiguchi 2008-02-26
7322700 Image display apparatus Kazuya Miyagaki, Kenji Kameyama, Takanobu Osaka, Ikuo Katoh, Kenji Namie +1 more 2008-01-29
7125121 Image display apparatus Kazuya Miyagaki, Kenji Kameyama, Takanobu Osaka, Ikuo Katoh, Kenji Namie +1 more 2006-10-24
7048388 Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus Kazuhiro Fujita, Nobuo Sakuma 2006-05-23