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Kiyokazu Sakai
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Hyogo, JP
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last 30 patents
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Patent Grant
Method of and apparatus for measuring retardation of composite layer
Patent number
5,627,645
Issue date
May 6, 1997
New Oji Paper Co., Ltd.
Kyoji Imagawa
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for measuring birefringence
Patent number
5,504,581
Issue date
Apr 2, 1996
Kanzaki Paper Manufacturing Company, Ltd.
Shinichi Nagata
G01 - MEASURING TESTING
Information
Patent Grant
Method of and apparatus for measuring birefringence
Patent number
5,450,200
Issue date
Sep 12, 1995
New Oji Paper Co., Ltd.
Kyouji Imagawa
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for measuring birefringence and retardation
Patent number
5,406,371
Issue date
Apr 11, 1995
New Oji Paper Co., Ltd.
Kiyokazu Sakai
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for determining water content of powder/granule
Patent number
5,046,356
Issue date
Sep 10, 1991
Kanzaki Paper Manufacturing Co., Ltd.
Shigeyoshi Osaki
G01 - MEASURING TESTING
Information
Patent Grant
Method for measuring birefringence
Patent number
4,973,163
Issue date
Nov 27, 1990
Kanzaki Paper Manufacturing Co., Ltd.
Kiyokazu Sakai
G01 - MEASURING TESTING
Information
Patent Grant
System and method for determining anisotropy of light-transmitting...
Patent number
4,849,623
Issue date
Jul 18, 1989
Kanzaki Paper Manufacturing Co., Ltd.
Shigeyoshi Osaki
G01 - MEASURING TESTING
Information
Patent Grant
Method for measuring complex dielectric constant or complex magneti...
Patent number
4,801,862
Issue date
Jan 31, 1989
Kanzaki Paper Manufacturing Co., Ltd.
Shigeyoshi Osaki
G01 - MEASURING TESTING