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Sudbury, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Electric power transmission system, and manufacturing method for el...
Patent number
11,289,947
Issue date
Mar 29, 2022
EXH Corporation
Kenichi Harakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electric power supply system
Patent number
10,348,129
Issue date
Jul 9, 2019
EXH Corporation
Kenichi Harakawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electric power supply system
Patent number
10,186,934
Issue date
Jan 22, 2019
EXH Corporation
Kenichi Harakawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power supply system, and fixed body and movable body therefor
Patent number
9,275,792
Issue date
Mar 1, 2016
EXH Corporation
Kenichi Harakawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power supply system, and fixed body and movable body therefor
Patent number
8,907,526
Issue date
Dec 9, 2014
EXH Corporation
Kenichi Harakawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Microwave heating applicator
Patent number
7,964,828
Issue date
Jun 21, 2011
EXH LLC
Per O. Risman
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Hybrid rectangular heating applicators
Patent number
7,230,217
Issue date
Jun 12, 2007
EXH LLC
Per O. Risman
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
ELECTRIC POWER TRANSMISSION SYSTEM, AND MANUFACTURING METHOD FOR EL...
Publication number
20200280209
Publication date
Sep 3, 2020
ExH Corporation
Kenichi HARAKAWA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ELECTRIC POWER SUPPLY SYSTEM
Publication number
20180248405
Publication date
Aug 30, 2018
ExH Corporation
Kenichi HARAKAWA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ELECTRIC POWER SUPPLY SYSTEM
Publication number
20180138743
Publication date
May 17, 2018
ExH Corporation
Kenichi HARAKAWA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ELECTRIC POWER SUPPLY SYSTEM
Publication number
20170214296
Publication date
Jul 27, 2017
ExH Corporation
Kenichi HARAKAWA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER SUPPLY SYSTEM
Publication number
20170054313
Publication date
Feb 23, 2017
ExH Corporation
Kenichi HARAKAWA
B60 - VEHICLES IN GENERAL
Information
Patent Application
POWER SUPPLY SYSTEM, AND FIXED BODY AND MOVABLE BODY THEREFOR
Publication number
20150061405
Publication date
Mar 5, 2015
ExH Corporation
Kenichi Harakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MICROWAVE HEATING APPLICATOR
Publication number
20090032528
Publication date
Feb 5, 2009
EXH LLC
Per Olov Risman
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method and apparatus for the conversion of rigid coaxial transmissi...
Publication number
20050012573
Publication date
Jan 20, 2005
EXH INC.
Brett John Grandchamp
H01 - BASIC ELECTRIC ELEMENTS
Trademark
last 30 trademarks