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Hiroaki Hayashi
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Kyoto, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Motor driving circuit
Patent number
8,084,973
Issue date
Dec 27, 2011
Rohm Co., Ltd.
Hiroaki Hayashi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Fan motor driving circuit
Patent number
7,800,328
Issue date
Sep 21, 2010
Rohm Co., Ltd.
Hiroaki Hayashi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Motor drive device and cooling device using the same
Patent number
7,796,867
Issue date
Sep 14, 2010
Rohm Co., Ltd.
Satoshi Miyajima
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Motor drive circuit
Patent number
7,786,688
Issue date
Aug 31, 2010
Rohm Co., Ltd.
Hiroaki Hayashi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Heater with improved heat conductivity
Patent number
6,791,069
Issue date
Sep 14, 2004
Rohm Co., Ltd.
Teruhisa Sako
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Image sensor substrate and image sensor employing it
Patent number
6,724,503
Issue date
Apr 20, 2004
Rohm Co., Ltd.
Teruhisa Sako
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Casing of image sensor and method of making the same
Patent number
6,558,024
Issue date
May 6, 2003
Rohm Co., Ltd.
Hideaki Hoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Thermal print head and method of manufacturing thereof
Patent number
6,483,528
Issue date
Nov 19, 2002
Rohm Co., Ltd.
Takumi Yamade
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thick-film thermal print head and its manufacturing method
Patent number
6,469,724
Issue date
Oct 22, 2002
Rohm Co., Ltd.
Hiroaki Hayashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Board-cable connection structure
Patent number
6,454,573
Issue date
Sep 24, 2002
Rohm Co., Ltd.
Hiroaki Hayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Construction of thermal print head and method of forming protective...
Patent number
6,448,993
Issue date
Sep 10, 2002
Rohm Co., Ltd.
Hiroaki Hayashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thermal printhead and method of making the same
Patent number
6,331,868
Issue date
Dec 18, 2001
Rohm Co., Ltd.
Takumi Yamade
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thermal printhead and method of making the same
Patent number
6,304,280
Issue date
Oct 16, 2001
Rohm Co., Ltd.
Takumi Yamade
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thermal printhead
Patent number
6,275,246
Issue date
Aug 14, 2001
Rohm Co., Ltd.
Tsutomu Hasegawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
MOTOR DRIVE DEVICE AND COOLING DEVICE USING THE SAME
Publication number
20090096402
Publication date
Apr 16, 2009
Rohm Co., Ltd.
Satoshi Miyajima
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MOTOR DRIVE CIRCUIT AND COOLING SYSTEM USING SAME
Publication number
20090066280
Publication date
Mar 12, 2009
Rohm Co., Ltd.
Hiroaki Hayashi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MOTOR DRIVE CIRCUIT, METHOD, AND COOLING DEVICE USING THE SAME
Publication number
20090045762
Publication date
Feb 19, 2009
Rohm Co., Ltd.
Hiroaki Hayashi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
FAN MOTOR DRIVING CIRCUIT
Publication number
20080272724
Publication date
Nov 6, 2008
Rohm Co., Ltd.
Hiroaki Hayashi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Heater with improved heat conductivity
Publication number
20020195445
Publication date
Dec 26, 2002
ROHM CO., LTD.
Teruhisa Sako
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Board-cable connection structure
Publication number
20020004341
Publication date
Jan 10, 2002
Hiroaki Hayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Casing of image sensor and method of making the same
Publication number
20010002168
Publication date
May 31, 2001
Hideaki Hoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE