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Haruhiko Yoshida
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Sakura-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Cathode ray tube having specific radius of curvatures for inner and...
Patent number
6,765,344
Issue date
Jul 20, 2004
Hitachi, Ltd.
Haruhiko Yoshida
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Color cathode ray tube
Patent number
6,690,106
Issue date
Feb 10, 2004
Hitachi, Ltd.
Haruhiko Yoshida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Color cathode ray tube having a shadow mask structure
Patent number
6,670,743
Issue date
Dec 30, 2003
Hitachi, Ltd.
Hiroshi Ito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Shadow mask type color cathode ray tube having a shadow mask with c...
Patent number
6,545,400
Issue date
Apr 8, 2003
Hitachi Ltd.
Hiroshi Ito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode ray tube faceplate having particular black matrix hole tran...
Patent number
6,534,907
Issue date
Mar 18, 2003
Hitachi, Ltd.
Haruhiko Yoshida
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Color cathode ray tube having a shadow mask structure
Patent number
6,307,311
Issue date
Oct 23, 2001
Hitachi, Ltd.
Hiroshi Ito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Shadow mask type color cathode ray tube having a shadow mask with c...
Patent number
6,259,194
Issue date
Jul 10, 2001
Hitachi, Ltd.
Hiroshi Ito
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Cathode ray tube
Publication number
20030164672
Publication date
Sep 4, 2003
Haruhiko Yoshida
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Color cathode ray tube having a shadow mask structure
Publication number
20020017850
Publication date
Feb 14, 2002
Hiroshi Ito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Shadow mask type color cathode ray tube having a shadow mask with c...
Publication number
20010035715
Publication date
Nov 1, 2001
Hiroshi Ito
H01 - BASIC ELECTRIC ELEMENTS