Inventor
DEGUCHI MASAHARU
JP16 patents
⚠️ This page may combine multiple inventors who share the name “DEGUCHI MASAHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
15 patentsUS4920420AApr 24, 1990
Automatic focusing system
HITACHI LTD72 citations96
US6290360B1Sep 18, 2001
Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same
HITACHI LTD59 citations95
US5491525AFeb 13, 1996
Illumination unit for liquid crystal projection display apparatus and liquid crystal display apparatus having it used
HITACHI LTD91 citations95
US6783245B2Aug 31, 2004
Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same
HITACHI LTD17 citations92
US5684548ANov 4, 1997
Liquid crystal display element and micro-lens arrangement and a display using the same
HITACHI LTD19 citations92
US5455694AOct 3, 1995
Liquid crystal display with pixel shape same as image of light source through microlens
HITACHI LTD24 citations92
US6065838AMay 23, 2000
Liquid crystal projector
HITACHI LTD19 citations91
US4941719AJul 17, 1990
Light scanning system
HITACHI LTD39 citations89
US6824273B2Nov 30, 2004
Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same
HITACHI LTD9 citations73
US5048939ASep 17, 1991
Zoom lens system
HITACHI LTD10 citations73
US6351295B2Feb 26, 2002
Projection type liquid crystal display device
HITACHI LTD6 citations72
US6307601B1Oct 23, 2001
Projection type liquid crystal display device
HITACHI LTD10 citations72
US6238050B1May 29, 2001
Liquid crystal projector
HITACHI LTD8 citations72
USRE38175EJul 8, 2003
Liquid crystal display element and micro-lens arrangement and a display using the same
HITACHI LTD4 citations62
US7198390B2Apr 3, 2007
Reflector, projective display and projector
HITACHI LTD1 citations51