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Yasushi Matsumoto
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Shizuoka, JP
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Patents Grants
last 30 patents
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Patent Grant
Power system, power converter controlling apparatus, and electric v...
Patent number
9,654,031
Issue date
May 16, 2017
Central Japan Railway Company
Kei Sakanoue
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Driving apparatus for driving multiple induction motors
Patent number
7,180,259
Issue date
Feb 20, 2007
Fuji Electric Systems Co., Ltd.
Yasushi Matsumoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Variable speed driving apparatus for induction machines
Patent number
6,043,617
Issue date
Mar 28, 2000
Fuji Electric Co., Ltd.
Yasushi Matsumoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Hand scanner movable over a document without meandering
Patent number
6,010,072
Issue date
Jan 4, 2000
NEC Corporation
Yasushi Matsumoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Manually operable document reading device for an image forming appa...
Patent number
5,852,686
Issue date
Dec 22, 1998
NEC Corporation
Shinya Kubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
POWER SYSTEM, POWER CONVERTER CONTROLLING APPARATUS, AND ELECTRIC V...
Publication number
20160285395
Publication date
Sep 29, 2016
Central Japan Railway Company
Kei SAKANOUE
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MOTOR DRIVE SYSTEM
Publication number
20140354194
Publication date
Dec 4, 2014
Fuji Electric Co., Ltd.
Akio TOBA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Driving apparatus for driving multiple induction motors
Publication number
20060012322
Publication date
Jan 19, 2006
Yasushi Matsumoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER