Membership
Tour
Register
Log in
Tokuya Fukuda
Follow
Person
Tokyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Video signal phase synchronizing method, circuit and synthesizing a...
Patent number
5,784,118
Issue date
Jul 21, 1998
Sony Corporation
Etsuro Yamauchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Video camera having an improved zoom system
Patent number
5,557,328
Issue date
Sep 17, 1996
Sony Corporation
Keiko Ishihama
G02 - OPTICS
Information
Patent Grant
Testing method for electronic apparatus
Patent number
5,471,481
Issue date
Nov 28, 1995
Sony Corporation
Koji Okumoto
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus and method for testing the interconnection between integr...
Patent number
5,390,191
Issue date
Feb 14, 1995
Sony Corporation
Toru Shiono
G01 - MEASURING TESTING
Information
Patent Grant
Digital image signal processing circuits
Patent number
5,291,277
Issue date
Mar 1, 1994
Sony Corporation
Tokuya Fukuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for processing a video signal to generate video signal ad...
Patent number
5,291,276
Issue date
Mar 1, 1994
Sony Corporation
Hiroaki Matsumoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Focusing apparatus and digital filters for use therewith
Patent number
5,185,707
Issue date
Feb 9, 1993
Sony Corporation
Akihiro Kikuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Video camera integral with magnetic recording and reproducing devic...
Patent number
5,142,375
Issue date
Aug 25, 1992
Sony Corporation
Tokuya Fukuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Color image pickup device having a level correcting circuit for cor...
Patent number
5,087,967
Issue date
Feb 11, 1992
Sony Corporation
Hiroaki Matsumoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Focusing apparatus and digital filters for use therewith
Patent number
5,070,408
Issue date
Dec 3, 1991
Sony Corporation
Akihiro Kikuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital camera apparatus having an analog emphasis circuitry
Patent number
5,049,983
Issue date
Sep 17, 1991
Sony Corporation
Hiroaki Matsumoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Video noise reduction circuit
Patent number
4,926,261
Issue date
May 15, 1990
Sony Corporation
Hiroaki Matsumoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Color signal matrix circuits
Patent number
4,891,689
Issue date
Jan 2, 1990
Sony Corporation
Tetsuya Senda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Magnetic recording and reproducing apparatus compensating for the d...
Patent number
4,851,930
Issue date
Jul 25, 1989
Sony Corporation
Tokuya Fukuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
C-type comb filter with negative feedback
Patent number
4,807,049
Issue date
Feb 21, 1989
Sony Corporation
Tokuya Fukuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Comb filter, chrominance and luminance signal separating circuit fo...
Patent number
4,750,033
Issue date
Jun 7, 1988
Sony Corporation
Tokuya Fukuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Color video signal processing apparatus for crosstalk elimination
Patent number
4,731,674
Issue date
Mar 15, 1988
Sony Corporation
Tokuya Fukuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus employing adjustable modulation index for reducing cross...
Patent number
4,725,900
Issue date
Feb 16, 1988
Sony Corporation
Tokuya Fukuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for magnetically recording and/or reproducing two-channel...
Patent number
4,709,275
Issue date
Nov 24, 1987
Sony Corporation
Tokuya Fukuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Active filter circuit
Patent number
4,689,580
Issue date
Aug 25, 1987
Sony Corporation
Tokuya Fukuda
H03 - BASIC ELECTRONIC CIRCUITRY