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Toshio Murakami
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Focusing apparatus for video camera or the like
Patent number
5,654,757
Issue date
Aug 5, 1997
Hitachi, Ltd.
Toshio Murakami
G02 - OPTICS
Information
Patent Grant
Video camera with autofocus function and method of controlling the...
Patent number
5,486,860
Issue date
Jan 23, 1996
Hitachi, Ltd.
Junji Shiokawa
G02 - OPTICS
Information
Patent Grant
Focusing apparatus for video camera or the like
Patent number
5,408,332
Issue date
Apr 18, 1995
Hitachi, Ltd.
Toshio Murakami
G02 - OPTICS
Information
Patent Grant
Auto-focus system for video camera
Patent number
RE33830
Issue date
Feb 25, 1992
Kentaro Hanma
358 - Facsimile and static presentation processing
Information
Patent Grant
Focusing apparatus of video camera or the like
Patent number
5,003,400
Issue date
Mar 26, 1991
Hitachi, Ltd.
Toshio Murakami
G02 - OPTICS
Information
Patent Grant
Automatic focusing system
Patent number
4,920,420
Issue date
Apr 24, 1990
Hitachi, Ltd.
Kenji Sano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automatic focusing system for video cameras
Patent number
RE33081
Issue date
Oct 3, 1989
Hitachi, Ltd.
Toshio Murakami
358 - Facsimile and static presentation processing
Information
Patent Grant
Automatic focusing apparatus having an automatic offset voltage reg...
Patent number
4,868,666
Issue date
Sep 19, 1989
Hitachi, Ltd.
Takashi Azumi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automatic focusing apparatus for use in video camera and the like
Patent number
4,842,387
Issue date
Jun 27, 1989
Hitachi, Ltd.
Toshio Murakami
G02 - OPTICS
Information
Patent Grant
White balance adjusting device for a color video camera
Patent number
4,797,733
Issue date
Jan 10, 1989
Hitachi, Ltd.
Yasushi Takagi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
White balance adjusting device of color video camera
Patent number
4,736,241
Issue date
Apr 5, 1988
Hitachi, Ltd.
Toshio Murakami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal processing circuit for a color video camera providing shadin...
Patent number
4,680,624
Issue date
Jul 14, 1987
Hitachi, Ltd.
Toshio Murakami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Auto-focus system for video camera
Patent number
4,611,244
Issue date
Sep 9, 1986
Hitachi, Ltd.
Kentaro Hanma
G02 - OPTICS
Information
Patent Grant
Automatic focusing system for video cameras
Patent number
4,531,158
Issue date
Jul 23, 1985
Hitachi, Ltd.
Toshio Murakami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Auto-focusing system for video camera
Patent number
4,500,925
Issue date
Feb 19, 1985
Hitachi, Ltd.
Kentaro Hanma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal processing circuit for solid-state camera
Patent number
4,333,111
Issue date
Jun 1, 1982
Hitachi, Ltd.
Masaru Noda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Delayed AGC circuit
Patent number
4,246,543
Issue date
Jan 20, 1981
Hitachi, Ltd.
Masaru Noda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Video synchronous detector apparatus
Patent number
4,188,639
Issue date
Feb 12, 1980
Hitachi, Ltd.
Toshio Murakami
H04 - ELECTRIC COMMUNICATION TECHNIQUE