Inventor
NAKAGAWA KAZUNARI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA KAZUNARI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
15 patentsUS6396641B2May 28, 2002
Projection lens system and projection image display apparatus using the same
HITACHI LTD41 citations96
US5946142AAug 31, 1999
Projection lens system and projection image display apparatus using the same
HITACHI LTD22 citations93
US6768594B2Jul 27, 2004
Projection lens apparatus and rear projection type image display apparatus using the same
HITACHI LTD40 citations92
US6256083B1Jul 3, 2001
Liquid crystal display apparatus and optical device for use therein
HITACHI LTD19 citations92
US5808704ASep 15, 1998
Rear projection type image display apparatus
HITACHI LTD33 citations89
US5594680AJan 14, 1997
Noise reduced contactless parallel data transfer device and method thereof
HITACHI LTD24 citations89
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
US6624950B2Sep 23, 2003
Projection lens system and projection image display apparatus using the same
HITACHI LTD3 citations74
US6046860AApr 4, 2000
Projection lens system and projection image display apparatus using the same
HITACHI LTD8 citations74
US6801366B2Oct 5, 2004
Projection lens system and projection image display apparatus using the same
HITACHI LTD3 citations63
US6535267B2Mar 18, 2003
Liquid crystal display apparatus having liquid crystal display element immersed in cooling medium
HITACHI LTD4 citations63
US6342929B1Jan 29, 2002
Projection image display apparatus
HITACHI LTD5 citations60
US6115081ASep 5, 2000
Projection image display apparatus
HITACHI LTD5 citations60
US6243211B1Jun 5, 2001
Projection lens system and projection image display apparatus using the same
HITACHI LTD0 citations52
HITACHI MAXELL
4 patentsUS5574273ANov 12, 1996
Non-contact system parallel data transfer system
HITACHI MAXELL113 citations97
US6838773B2Jan 4, 2005
Semiconductor chip and semiconductor device using the semiconductor chip
HITACHI MAXELL40 citations92
US5394608AMar 7, 1995
Laminated semiconductor device and fabricating method thereof
HITACHI MAXELL25 citations87
US5057955AOct 15, 1991
Composite magnetic head
HITACHI MAXELL6 citations61