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Takesuke Maruyama

HI Hitachi: 4 patents #260 of 3,950Top 7%
Overall (2002): #11,772 of 266,432Top 5%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
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