TT

Takeshi Takezawa

SE Seiko Epson: 69 patents #85 of 7,774Top 2%
Overall (All Time): #30,264 of 4,157,543Top 1%
69
Patents All Time

Issued Patents All Time

Showing 51–69 of 69 patents

Patent #TitleCo-InventorsDate
7044609 Light source device and projector Shohei Fujisawa 2006-05-16
7040768 Light source unit, illumination optical device, projector, and method of manufacturing light source unit Shohei Fujisawa, Hiroyuki Kobayashi 2006-05-09
7021794 Lighting unit and projector including the same Shohei Fujisawa 2006-04-04
7001027 Light source device and projector Shohei Fujisawa 2006-02-21
6935753 Projector Toshiaki Hashizume, Motoyuki Fujimori, Yoshiyuki Yanagisawa 2005-08-30
6811262 Projector comprising an optical component having a rock crystal member Toshiaki Hashizume, Hisamaro Kato 2004-11-02
6805444 Projector comprising an optical component having a rock crystal member Toshiaki Hashizume, Hisamaro Kato 2004-10-19
6786620 Light source device and projector utilizing the same 2004-09-07
6788377 Liquid crystal device and projector using the same Yasunori Ogawa, Osamu Okumura 2004-09-07
6778341 Method for manufacturing light-selective prism Toshiaki Hashizume, Yuji Takado 2004-08-17
6722768 Projector 2004-04-20
6702443 Projector Toshiaki Hashizume, Motoyuki Fujimori 2004-03-09
6646690 Arrangement of &lgr;/2 retardation plate in projector 2003-11-11
6631039 Optical unit and projector using the same Motoyuki Fujimori, Hisamaro Kato 2003-10-07
6619800 Projector comprising a polarizer attached to a transmissive flexible plate material that bends responsive to changes in the shape of the polarizer Nobuo Watanabe, Hidemasa Yamakawa 2003-09-16
6536906 Projector Motoyuki Fujimori, Hisamaro Kato 2003-03-25
6536901 Projector Toshiaki Hashizume, Motoyuki Fujimori 2003-03-25
6523958 Optical component and projector using the same Toshiaki Hashizume 2003-02-25
6481850 Projector Nobuo Watanabe, Hidemasa Yamakawa 2002-11-19