TH

Toshiaki Hashizume

SE Seiko Epson: 85 patents #48 of 7,774Top 1%
FC Furukawa Electric Co.: 3 patents #622 of 2,370Top 30%
FC Furakawa Electric Co.: 1 patents #1 of 49Top 3%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
Overall (All Time): #18,278 of 4,157,543Top 1%
89
Patents All Time

Issued Patents All Time

Showing 26–50 of 89 patents

Patent #TitleCo-InventorsDate
7559675 Light source device and projector Kentaro Yamauchi 2009-07-14
7551280 Method for manufacturing optical element, method for manufacturing projector, optical element and projector Hiroaki Yanai 2009-06-23
7549771 Light source device and projector Kentaro Yamauchi 2009-06-23
RE40296 Projection type liquid crystal projector Motoyuki Fujimori, Kenji Iguchi, Kiichi Okumura 2008-05-06
7364311 Method of manufacturing reflective mirror, illumination device, and projector 2008-04-29
7357531 Light source device and projector Takeshi Takezawa, Koichi Akiyama 2008-04-15
RE39951 Polarization conversion element, polarization illuminator, display using the same illuminator, and projector Yoshitaka Itoh 2007-12-25
RE39702 Projector Hisashi Iechika, Yasunori Ogawa, Shinji Haba, Akitaka Yajima 2007-06-26
7159990 Method of manufacturing reflective mirror, illumination device, and projector 2007-01-09
7150543 Optical modulator holder, optical device, and projector Motoyuki Fujimori, Masami Murata 2006-12-19
7140733 Light source device and projector Takeshi Takezawa, Hiroyuki Meguro, Masakazu Kitamura 2006-11-28
7085051 Polarizer and optical device using the polarizer Atsushi Miyazawa 2006-08-01
7085034 Optical device and projector Motoyuki Fujimori, Masami Murata 2006-08-01
7036941 Illumination optical device and projector Koichi Akiyama 2006-05-02
RE39040 Projector Yasunori Ogawa, Shinji Haba, Akitaka Yajima, Hisashi Iechika 2006-03-28
7008180 Axial-flow fan and projector provided with the same Motoyuki Fujimori, Masakazu Kitamura 2006-03-07
6935745 Optical device, method for manufacturing optical device, and projector Masashi Kitabayashi, Nobuo Watanabe, Motoyuki Fujimori, Yoshiyuki Yanagisawa, Taisuke Uehara 2005-08-30
6935753 Projector Takeshi Takezawa, Motoyuki Fujimori, Yoshiyuki Yanagisawa 2005-08-30
6913074 Method of making an internal grooved tube Koji Yamamoto, Tetsuya Sumitomo, Yasutoshi Mori 2005-07-05
RE38740 Dichroic prism and projection display apparatus Akitaka Yajima 2005-06-07
6854848 Optical device and projector Motoyuki Fujimori, Yoshiyuki Yanagisawa, Taisuke Uehara, Masashi Kitabayashi, Nobuo Watanabe 2005-02-15
6843277 Duct and electronic apparatus having the duct Hiroyuki Meguro, Hiroshi Abe 2005-01-18
6833953 Polarizer and optical device using the polarizer Atsushi Miyazawa 2004-12-21
6811262 Projector comprising an optical component having a rock crystal member Takeshi Takezawa, Hisamaro Kato 2004-11-02
6805444 Projector comprising an optical component having a rock crystal member Takeshi Takezawa, Hisamaro Kato 2004-10-19