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Kazuaki Sorimachi
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Saitama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for manufacturing semiconductor light-emitting element
Patent number
8,956,887
Issue date
Feb 17, 2015
Citizen Holdings Co., Ltd.
Kazuaki Sorimachi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light-emitting element for flip-chip mounting
Patent number
8,581,285
Issue date
Nov 12, 2013
Citizen Holdings Co., Ltd.
Kazuaki Sorimachi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Resin sealed semiconductor device utilizing a clad material heat sink
Patent number
6,469,380
Issue date
Oct 22, 2002
Citizen Watch Co., Ltd.
Kazuaki Sorimachi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Matrix display panel having a diode ring structure as a resistive e...
Patent number
4,748,445
Issue date
May 31, 1988
Citizen Watch Co., Ltd.
Seigo Togashi
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method of making a liquid crystal display with color filters
Patent number
4,673,253
Issue date
Jun 16, 1987
Citizen Watch Co., Ltd.
Hiroshi Tanabe
G02 - OPTICS
Information
Patent Grant
Flat panel display device having on-screen data input function
Patent number
4,655,552
Issue date
Apr 7, 1987
Citizen Watch Co., Ltd.
Seigo Togashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Liquid crystal color display panels
Patent number
4,610,509
Issue date
Sep 9, 1986
Citizen Watch Co., Ltd.
Kazuaki Sorimachi
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MANUFACTURING SEMICONDUCTOR LIGHT-EMITTING ELEMENT
Publication number
20140220714
Publication date
Aug 7, 2014
CITIZEN HOLDINGS CO., LTD.
Kazuaki Sorimachi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR LIGHT-EMITTING ELEMENT
Publication number
20110291141
Publication date
Dec 1, 2011
Kazuaki SORIMACHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Resin sealed semiconductor device
Publication number
20020084523
Publication date
Jul 4, 2002
CITIZEN WATCH CO., LTD.
Kazuaki Sorimachi
H01 - BASIC ELECTRIC ELEMENTS