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Yumiko YOSHIKAWA
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Minato-ku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Spectrum measurement device
Patent number
9,305,220
Issue date
Apr 5, 2016
Toyota Jidosha Kabushiki Kaisha
Ryuji Funayama
G01 - MEASURING TESTING
Information
Patent Grant
Spectrometer
Patent number
9,234,800
Issue date
Jan 12, 2016
Toyota Jidosha Kabushiki Kaisha
Shinya Kawamata
G01 - MEASURING TESTING
Information
Patent Grant
Active visibility support apparatus and method for vehicle
Patent number
8,854,464
Issue date
Oct 7, 2014
NEC Corporation
Tsutomu Ishi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Light measuring apparatus and light measuring method
Patent number
8,422,019
Issue date
Apr 16, 2013
NEC Corporation
Yumiko Yoshikawa
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
SPECTRUM MEASUREMENT DEVICE
Publication number
20130038857
Publication date
Feb 14, 2013
NEC CORPORATION
Ryuji FUNAYAMA
G01 - MEASURING TESTING
Information
Patent Application
SPECTROMETER
Publication number
20130027702
Publication date
Jan 31, 2013
NEC CORPORATION
Shinya Kawamata
G01 - MEASURING TESTING
Information
Patent Application
ACTIVE VISIBILITY SUPPORT APPARATUS AND METHOD FOR VEHICLE
Publication number
20110216196
Publication date
Sep 8, 2011
NEC Corporation
Tsutomu ISHI
B60 - VEHICLES IN GENERAL
Information
Patent Application
LIGHT MEASURING APPARATUS AND LIGHT MEASURING METHOD
Publication number
20110216323
Publication date
Sep 8, 2011
NEC Corporation
Yumiko YOSHIKAWA
G01 - MEASURING TESTING