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Yumiko Osaki
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Utsunomiya-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Aspheric surface measuring method, aspheric surface measuring appar...
Patent number
9,279,667
Issue date
Mar 8, 2016
Canon Kabushiki Kaisha
Yasunori Furukawa
G01 - MEASURING TESTING
Information
Patent Grant
Aspheric surface measuring method, aspheric surface measuring appar...
Patent number
8,947,676
Issue date
Feb 3, 2015
Canon Kabushiki Kaisha
Yasunori Furukawa
G01 - MEASURING TESTING
Information
Patent Grant
Measurement method for measuring shape of test surface, measurement...
Patent number
8,675,206
Issue date
Mar 18, 2014
Canon Kabushiki Kaisha
Yumiko Osaki
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
ASPHERIC SURFACE MEASURING METHOD, ASPHERIC SURFACE MEASURING APPAR...
Publication number
20130235472
Publication date
Sep 12, 2013
Canon Kabushiki Kaisha
Yasunori Furukawa
G02 - OPTICS
Information
Patent Application
ASPHERIC SURFACE MEASURING METHOD, ASPHERIC SURFACE MEASURING APPAR...
Publication number
20130235477
Publication date
Sep 12, 2013
Canon Kabushiki Kaisha
Yasunori Furukawa
G02 - OPTICS
Information
Patent Application
MEASUREMENT METHOD FOR MEASURING SHAPE OF TEST SURFACE, MEASUREMENT...
Publication number
20120013916
Publication date
Jan 19, 2012
Canon Kabushiki Kaisha
Yumiko Osaki
G01 - MEASURING TESTING