YM

Yumi Matsuki

Ricoh Company: 16 patents #1,360 of 9,818Top 15%
Overall (All Time): #300,243 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
8158020 Liquid crystal element, optical path deflecting element, and image displaying apparatus Yohei Takano, Hiroyuki Sugimoto, Toshiaki Tokita, Koh Fujimura, Yasuyuki Takiguchi +2 more 2012-04-17
7929071 Electric field generating device comprising an electric field generating resistor and line electrodes, light deflecting device having the same, and image display apparatus having the same Yukiko Hirano, Toshiaki Tokita, Koh Fujimura, Toshimichi Hagiya, Takanobu Osaka +2 more 2011-04-19
7753531 Image display apparatus and projection optical system Kazuhiro Fujita, Takanobu Osaka, Kazuya Miyagaki, Atsushi Takaura, Masanori Kobayashi +3 more 2010-07-13
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, Atsushi Takaura, Kazuya Miyagaki +4 more 2009-02-24
7489383 Optical axis deflecting method, optical axis deflecting element, optical path deflecting unit, method of driving optical axis deflecting element, and image display apparatus Hiroyuki Sugimoto, Yukiko Hirano, Kenji Namie, Toshiaki Tokita, Takanobu Osaka +1 more 2009-02-10
7345733 Light deflection element, light deflection device and image display device Hiroyuki Sugimoto, Toshiaki Tokita, Shigeaki Nimura, Masanori Kobayashi, Yasuyuki Takiguchi +2 more 2008-03-18
7310181 Optical deflection device and optical deflection method that control occurrence of alignment defect Hiroyuki Sugimoto, Toshiaki Tokita, Shigeaki Nimura, Masanori Kobayashi, Yasuyuki Takiguchi 2007-12-18
7304705 Imaging unit, optical write unit, optical read unit and image forming apparatus Hiroyuki Sugimoto, Toshiaki Tokita, Masanori Kobayashi, Yasuyuki Takiguchi 2007-12-04
7245430 Method and apparatus for displaying three-dimensional stereo image using light deflector Masanori Kobayashi, Toshiaki Tokita, Hiroyuki Sugimoto 2007-07-17
7057700 Light deflection element, light deflection device and image display device Hiroyuki Sugimoto, Toshiaki Tokita, Shigeaki Nimura, Masanori Kobayashi, Yasuyuki Takiguchi +2 more 2006-06-06
7038835 Optical deflection device and optical deflection method that control occurrence of alignment defect Hiroyuki Sugimoto, Toshiaki Tokita, Shigeaki Nimura, Masanori Kobayashi, Yasuyuki Takiguchi 2006-05-02
6919982 Optical path deflecting element, optical path deflecting apparatus, image displaying apparatus, optical element and manufacturing method thereof Shigeaki Nimura, Masanori Kobayashi, Hiroyuki Sugimoto, Yasuyuki Takiguchi, Toshiaki Tokita 2005-07-19
5566013 Liquid crystal display apparatus which prevents bubbles with a spacer density of 201 to 800 mm.sup.2 Takumi Suzuki, Reiko Kameyama, Sumio Kamoi, Hisashi Kikuchi, Satosi Komori +1 more 1996-10-15
5513026 Method of producing a liquid crystal display with a spacer Takumi Suzuki, Reiko Kameyama, Sumio Kamoi, Hisashi Kikuchi, Satosi Komori +1 more 1996-04-30
5496497 Liquid crystal prepolymer composition and liquid crystal display device using the same Yasuyuki Takiguchi, Akihiko Kanemoto 1996-03-05
5044733 Super twisted nematic liquid crystal display device having the standard deviation of the spherical grains being not more than 3% and the dispersion quantity of the spherical grains being 100-200 grains/mm.sup.2 Sumio Kamoi 1991-09-03