Tomohisa Uba

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Color cathode ray tube with improved transmittance of selective wav...
- Patent number 5,977,701
- Issue date Nov 2, 1999
- Sony Corporation
- Atsushi Sakata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode-ray tube with internal insulated electrical conductors
- Patent number 4,933,598
- Issue date Jun 12, 1990
- Sony Corporation
- Masayuki Sudo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube with internal double-wall magnetic shield
- Patent number 4,882,516
- Issue date Nov 21, 1989
- Sony Corporation
- Tatsushiro Hirata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Supporting device for an electron beam landing position selecting m...
- Patent number 4,605,878
- Issue date Aug 12, 1986
- Sony Corporation
- Koji Saita
- H01 - BASIC ELECTRIC ELEMENTS