Inventor
INAOKA SHIGERU
JP11 patents
Patents
11 patentsUS6728031B2Apr 27, 2004
Projection-type picture display apparatus and screen used thereby
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US6256083B1Jul 3, 2001
Liquid crystal display apparatus and optical device for use therein
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US5272540ADec 21, 1993
Temperature compensating lens system for projection television
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US5200814AApr 6, 1993
Video projector with optical color balance
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US4948237AAug 14, 1990
Projection lens system
HITACHI LTD28 citations92
US6502942B2Jan 7, 2003
Rear projection display apparatus and translucent screen for use therein
HITACHI LTD16 citations82
US6829031B2Dec 7, 2004
Liquid crystal display apparatus and optical device for use therein
HITACHI LTD5 citations74
US7221507B2May 22, 2007
Projection-type picture display apparatus and screen used thereby
HITACHI LTD4 citations73
US7023616B2Apr 4, 2006
Projection-type picture display apparatus and screen used thereby
HITACHI LTD5 citations73
US6535267B2Mar 18, 2003
Liquid crystal display apparatus having liquid crystal display element immersed in cooling medium
HITACHI LTD4 citations63
US7460300B2Dec 2, 2008
Projection-type picture display apparatus and screen used thereby
HITACHI LTD0 citations51