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Hajime Shimabukuro
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Yokohama, JP
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Patents Grants
last 30 patents
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Patent Grant
Reflector and method for manufacturing the same
Patent number
4,457,587
Issue date
Jul 3, 1984
NHK Spring Co., Ltd.
Shitomi Katayama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Reflector and method for manufacturing the same
Patent number
4,457,598
Issue date
Jul 3, 1984
NHK Spring Co., Ltd.
Hajime Shimabukuro
G02 - OPTICS
Information
Patent Grant
Reflector and method for manufacturing the same
Patent number
4,431,268
Issue date
Feb 14, 1984
NHK Spring Co., Ltd.
Akira Ohno
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Urea compound having carboxylate radical and method for producing t...
Patent number
4,136,079
Issue date
Jan 23, 1979
NHK Spring Co., Ltd.
Shitomi Katayama
C07 - ORGANIC CHEMISTRY