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Kazumi Yamamoto
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Yokohama, JP
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Patents Grants
last 30 patents
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Patent Grant
Solid state image pick-up apparatus and method for increased lumina...
Patent number
5,436,661
Issue date
Jul 25, 1995
Ikegami Tsushinki Co., Ltd.
Kazumi Yamamoto
G02 - OPTICS
Information
Patent Grant
Circuit for compressing image signal
Patent number
5,185,656
Issue date
Feb 9, 1993
Ikegami Tsushinki Co., Ltd.
Kazumi Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit for producing brightness signal from output signal of solid...
Patent number
5,184,212
Issue date
Feb 2, 1993
Ikegami Tsushinki Co., Ltd.
Kazumi Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Color television image processing apparatus and method having color...
Patent number
5,124,785
Issue date
Jun 23, 1992
Ikegami Tsushinki Co., Ltd.
Iwao Hirose
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit including clipping and non-linear processing means for corr...
Patent number
5,089,891
Issue date
Feb 18, 1992
Ikegami Tsushinki Co., Ltd.
Kazumi Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cross color noise reduction and contour correction apparatus in NTS...
Patent number
5,019,895
Issue date
May 28, 1991
Ikegami Tsushinki Co., Ltd.
Kazumi Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for enhancing contours of television signal
Patent number
4,823,190
Issue date
Apr 18, 1989
Ikegami Tsushinki Co., Ltd.
Kazumi Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for protecting an image pickup tube in a television camera
Patent number
4,410,915
Issue date
Oct 18, 1983
Ikegami Tsushinki Co. Ltd.
Kazumi Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Data embedding method and viewing confirmation method
Publication number
20040255123
Publication date
Dec 16, 2004
Hideo Noyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE