TM

Takesuke Maruyama

HI Hitachi: 28 patents #1,022 of 28,497Top 4%
HM Hitachi Maxell: 5 patents #189 of 1,211Top 20%
HS Hitachi Video And Information Systems: 3 patents #39 of 269Top 15%
HI Hiatchi: 1 patents #1 of 84Top 2%
Overall (All Time): #99,308 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 25 most recent of 35 patents

Patent #TitleCo-InventorsDate
7733578 Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the same Yasuyuki Sugi 2010-06-08
7414796 Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the same Yasuyuki Sugi 2008-08-19
7327520 Optical unit and image display apparatus Satoshi Ohuchi, Masahiko Yatsu, Taro Imahase, Tomohiro Miyoshi, Yasuo Otsuka 2008-02-05
7152978 Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more 2006-12-26
7106518 Optical unit and image display apparatus Satoshi Ohuchi, Masahiko Yatsu, Taro Imahase, Tomohiro Miyoshi, Yasuo Otsuka 2006-09-12
6965482 Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the same Yasuyuki Sugi 2005-11-15
6963453 Optical unit and image display apparatus Satoshi Ohuchi, Masahiko Yatsu, Taro Imahase, Tomohiro Miyoshi, Yasuo Otsuka 2005-11-08
6836378 Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the same Yasuyuki Sugi 2004-12-28
6824273 Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more 2004-11-30
6783245 Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more 2004-08-31
6741396 Array lens, lighting optical system, optical unit and imaging apparatus Satoshi Ohuchi, Masahiko Yatsu, Taro Imahase, Tomohiro Miyoshi, Yasuo Otsuka 2004-05-25
6678096 Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the same Yasuyuki Sugi 2004-01-13
RE38175 Liquid crystal display element and micro-lens arrangement and a display using the same Yoshio Ariki, Takashi Kakuda, Masaharu Deguchi, Futoshi Yamasaki 2003-07-08
6567218 Array lens, lighting optical system, optical unit and imaging apparatus Satoshi Ohuchi, Masahiko Yatsu, Taro Imahase, Tomohiro Miyoshi, Yasuo Otsuka 2003-05-20
6545812 Array lens, lighting optical system, optical unit and imaging apparatus Satoshi Ohuchi, Masahiko Yatsu, Taro Imahase, Tomohiro Miyoshi, Yasuo Otsuka 2003-04-08
6462794 Image forming unit, enlarging unit, optical parts, and image display apparatus having these components Hiroki Yoshikawa, Tetsu Ohishi, Hideo Tanide, Goro Ohnishi, Takashi Iwata +1 more 2002-10-08
6411440 Array lens, lighting optical system, optical unit and imaging apparatus Satoshi Ohuchi, Masahiko Yatsu, Taro Imahase, Tomohiro Miyoshi, Yasuo Otsuka 2002-06-25
6392809 Array lens, lighting optical system, optical unit and imaging apparatus Satoshi Ohuchi, Masahiko Yatsu, Taro Imahase, Tomohiro Miyoshi, Yasuo Otsuka 2002-05-21
6351295 Projection type liquid crystal display device Takashi Kakuda, Masaharu Deguchi, Futoshi Yamasaki, Naohiro Konuma, Yutaka Matsuda 2002-02-26
6307601 Projection type liquid crystal display device Takashi Kakuda, Masaharu Deguchi, Futoshi Yamasaki, Naohiro Konuma, Yutaka Matsuda 2001-10-23
6290360 Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more 2001-09-18
6201645 Array lens, lighting optical system, optical unit and imaging apparatus Satoshi Ohuchi, Masahiko Yatsu, Taro Imahase, Tomohiro Miyoshi, Yasuo Otsuka 2001-03-13
5748238 Video camera Manabu Wakabayashi, Kenji Ogiro, Takanori Nishiyama, Hiroto Takita, Yutaka Takami +6 more 1998-05-05
5684548 Liquid crystal display element and micro-lens arrangement and a display using the same Yoshio Ariki, Takashi Kakuda, Masaharu Deguchi, Futoshi Yamasaki 1997-11-04
5565919 Video camera/VTR and camera station with opto-electronic link between camera/VTR and camera station Manabu Wakabayashi, Kenji Ogiro, Takanori Nishiyama, Hiroto Takita, Yutaka Takami +6 more 1996-10-15