RT

Ryusaku Takahashi

VJ Victor Company Of Japan: 34 patents #19 of 1,489Top 2%
JV Jvckenwood: 2 patents #245 of 736Top 35%
HA Hughes Aircraft: 1 patents #1,260 of 2,963Top 45%
Overall (All Time): #94,819 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDate
8388147 Screen assembly and rear-projection type graphic display device Toshitaka Murata, Masahiko Miyake, Manabu Kobayashi, Takatsugu Aizaki, Hironobu Fukutomi 2013-03-05
8337025 Projection type display device and image displaying method Manabu Kobayashi, Toshitaka Murata, Takatsugu Aizaki, Masahiko Miyake, Hironobu Fukutomi 2012-12-25
8152317 Light source device, lighting device and image display device Naoya Okamoto, Ryosuke Nakagoshi, Takatsugu Aizaki, Tadashi Furukawa 2012-04-10
D618268 Portion of display panel with projector Masahiko Miyake, Takatsugu Aizaki, Hironobu Fukutomi, Toshitaka Murata, Manabu Kobayashi 2010-06-22
D615576 Projector screen Masahiko Miyake, Takatsugu Aizaki, Hironobu Fukutomi, Toshitaka Murata, Manabu Kobayashi 2010-05-11
7564190 Light source device and image displaying apparatus using the same 2009-07-21
7273279 Projection display apparatus Manabu Kobayashi 2007-09-25
7239454 Image display apparatus Manabu Kobayashi, Tetsuji Suzuki, Takatsugu Aizaki 2007-07-03
7095568 Image display apparatus Manabu Kobayashi, Tetsuji Suzuki, Takatsugu Aizaki 2006-08-22
6398365 Image projection display apparatus Shintaro Nakagaki, Tsutou Asakura, Fujiko Koyama 2002-06-04
6283615 Illumination apparatus 2001-09-04
6174060 Projection-type display apparatus having polarized beam splitters and an illuminating device Hirofumi Imaoka, Satoru Moriya, Tetsuji Suzuki, Fujiko Koyama, Yasuo Ishizaka +1 more 2001-01-16
6141124 Color filter and color picture display device using the same Tetsuji Suzuki, Shintaro Nakagaki, John Gunther, Ronald T. Smith 2000-10-31
6046856 Image projector and illumination device used for the image projector Tatsuru Kobayashi 2000-04-04
5897190 Illumination optical system, projection optical system and display apparatus using the same 1999-04-27
5565882 Image processing system for display, recording and reproducing image Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Fujiko Tatsumi +1 more 1996-10-15
5502490 Display unit having a light-to-light conversion element Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Fujiko Tatsumi +1 more 1996-03-26
5486878 Color image display apparatus with reflection mirrors simultaneously oscillated Ichiro Negishi, Tetsuji Suzuki, Fujiko Koyama, Yuji Uchiyama, Hiroyuki Bonde +2 more 1996-01-23
5463468 Display unit having a light-to-light conversion element Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Fujiko Tatsumi +1 more 1995-10-31
5381188 Light to light modulator with reading light of specified wavelength Toshio Konno, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Fujiko Tatsumi +1 more 1995-01-10
5379135 Optical system for display apparatus Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Fujiko Tatsumi, Hiroyuki Bonde +1 more 1995-01-03
5357289 Projector lens system having three lens groups for image projector Toshio Konno, Shintaro Nakagaki, Ighiro Negishi, Tetsuji Suzuki, Fujiko Tatsumi +1 more 1994-10-18
5327229 Display device Toshio Konno, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Fujiko Tatsumi +2 more 1994-07-05
5325137 Overhead projector with a spatial light modulator Toshio Konno, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Fujiko Tatsumi 1994-06-28
5305146 Tri-color separating and composing optical system Shintaro Nakagaki, Tsutou Asakura, Tetsuji Suzuki, Fujiko Tatsumi 1994-04-19