Membership
Tour
Register
Log in
Takahiro Yukawa
Follow
Person
Tokyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Beam index type color cathode ray tube
Patent number
4,908,547
Issue date
Mar 13, 1990
Sony Corporation
Takashi Toyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Current dependent type color cathode ray tube
Patent number
4,616,161
Issue date
Oct 7, 1986
Sony Corporation
Takahiro Yukawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Color television receiver
Patent number
4,232,332
Issue date
Nov 4, 1980
Sony Corporation
Akira Toyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Beam index color cathode ray tube
Patent number
4,223,344
Issue date
Sep 16, 1980
Sony Corporation
Takashi Hosono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Beam index color cathode ray tube
Patent number
4,212,030
Issue date
Jul 8, 1980
Sony Corporation
Akira Tooyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE