JK

Joji Karasawa

SE Seiko Epson: 19 patents #952 of 7,774Top 15%
SO Sony: 3 patents #10,744 of 25,231Top 45%
Overall (All Time): #191,330 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
11900319 Information processing device Tsukasa Kobayashi 2024-02-13
11054727 Projector and projection system 2021-07-06
8421852 Method for manufacturing stereoscopic image display apparatus and stereoscopic image display apparatus Hideo Niyomura, Hiroshi Ohno, Osamu Horie, Takayuki Kobayashi, Masamichi Okada +2 more 2013-04-16
8416285 Stereoscopic image display apparatus and method of manufacturing the same Atsushi Sakata, Hiromichi Abe, Hideo Niyomura, Masamichi Okada, Takayuki Kobayashi +2 more 2013-04-09
8330805 Stereoscopic image display apparatus and method of manufacturing the same Osamu Horie, Masamichi Okada, Hideo Niyomura, Hiroshi Ohno, Takayuki Kobayashi +2 more 2012-12-11
8308303 Projector having cooling duct including flow paths for directing cooling air over light modulation devices Kunihiko Takagi, Kaname Nagatani, Akira Egawa, Tetsuo Shimizu, Fumihide Sasaki 2012-11-13
7843536 Liquid crystal display device and projector Takashi Endo 2010-11-30
7390095 Projector Kanji Yoshida, Hidemasa Yamakawa, Masafumi Sakaguchi 2008-06-24
7329007 Projector Hidemasa Yamakawa, Kanji Yoshida, Masafumi Sakaguchi 2008-02-12
7172293 Projector 2007-02-06
7168812 Projector Kanji Yoshida 2007-01-30
7156523 Projector Hidemasa Yamakawa, Masafumi Sakaguchi, Kanji Yoshida 2007-01-02
6947212 Transmissive screen and rear projector Masafumi Sakaguchi 2005-09-20
6538624 Head-mounted image display apparatus Shoichi Ishizawa, Shoichi Uchiyama, Yoko Miyazawa 2003-03-25
6491396 Projector modulating a plurality of partial luminous fluxes according to imaging information by means of an electro-optical device Yoshitaka Ito 2002-12-10
6320559 Head-mounted image display device and data processing apparatus including the same Masaaki Yasukawa, Tadashi Kinebuchi, Noriko Watanabe, Kunio Yoneno, Syoichi Uchiyama +1 more 2001-11-20
6040945 Head mount display device 2000-03-21
6011653 Head-mounted display 2000-01-04
5977935 Head-mounted image display device and data processing apparatus including the same Masaaki Yasukawa, Tadashi Kinebuchi, Noriko Watanabe, Kunio Yoneno, Syoichi Uchiyama +1 more 1999-11-02
5739797 Head-mounted virtual image display device having switching means enabling user to select eye to view image Hiroshi Kamakura, Shoichi Uchiyama, Hiroyuki Shindo, Takeshi Furihata, Masafumi Sakaguchi 1998-04-14
5739893 Head-mounted image display apparatus Shoichi Ishizawa, Shoichi Uchiyama, Yoko Miyazawa 1998-04-14
D363279 Head set with visual display unit and stereophonic headphones Shoichi Ishizawa 1995-10-17