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Machio Yamagishi
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image display
Patent number
7,304,696
Issue date
Dec 4, 2007
Sony Corporation
Machio Yamagishi
G02 - OPTICS
Information
Patent Grant
Display apparatus using organic electroluminescent element and manu...
Patent number
6,969,291
Issue date
Nov 29, 2005
Sony Corporation
Tetsuo Urabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Display apparatus using organic electroluminescent element and manu...
Patent number
6,614,174
Issue date
Sep 2, 2003
Sony Corporation
Tetsuo Urabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Active matrix type display apparatus and drive circuit thereof
Patent number
6,501,466
Issue date
Dec 31, 2002
Sony Corporation
Machio Yamagishi
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Two-layered gate structure for a semiconductor device and method fo...
Patent number
6,054,366
Issue date
Apr 25, 2000
Sony Corporation
Machio Yamagishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Two-layered gate structure for a semiconductor device and method fo...
Patent number
5,808,339
Issue date
Sep 15, 1998
Sony Corporation
Machio Yamagishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Performance non-volatile semiconductor memory device
Patent number
5,768,184
Issue date
Jun 16, 1998
Sony Corporation
Yutaka Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Data writing method and device of semiconductor device
Patent number
5,737,281
Issue date
Apr 7, 1998
Sony Corporation
Minoru Takeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory
Patent number
5,627,781
Issue date
May 6, 1997
Sony Corporation
Yutaka Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for semiconductor memory
Patent number
5,437,762
Issue date
Aug 1, 1995
Siemens Aktiengesellschaft
Akihiko Ochiai
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Display apparatus using organic electroluminescent element and manu...
Publication number
20040090175
Publication date
May 13, 2004
Tetsuo Urabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Image display
Publication number
20030107688
Publication date
Jun 12, 2003
Machio Yamagishi
G02 - OPTICS