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Masahiro Matsumaru
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Kanagawa-ken, JP
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Patents Grants
last 30 patents
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Patent Grant
Reflective liquid crystal display device and projection display app...
Patent number
7,773,163
Issue date
Aug 10, 2010
Victor Company of Japan, Ltd.
Shigeo Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reflective liquid crystal display device and projection display app...
Patent number
7,643,053
Issue date
Jan 5, 2010
Victor Company of Japan, Ltd.
Shigeo Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Rotary head drum device
Patent number
6,356,417
Issue date
Mar 12, 2002
Victor Company of Japan, Ltd.
Masahiro Matsumaru
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head composed of a C-shaped core section and an inverse L-...
Patent number
5,907,460
Issue date
May 25, 1999
Victor Company of Japan, Ltd.
Masahiro Matsumaru
G11 - INFORMATION STORAGE
Information
Patent Grant
Cassette loading device for video cassette recorder
Patent number
5,196,972
Issue date
Mar 23, 1993
Victor Company of Japan, Ltd.
Masahiro Matsumaru
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Reflective liquid crystal display device and projection display app...
Publication number
20090256976
Publication date
Oct 15, 2009
Victor Company of Japan, Ltd.
Shigeo Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Reflective liquid crystal display device and projection display app...
Publication number
20070030424
Publication date
Feb 8, 2007
Victor Company of Japan, Ltd.
Shigeo Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE