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Akihiko KASAHARA
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
High frequency window formed in a circular waveguide that is plasti...
Patent number
11,245,164
Issue date
Feb 8, 2022
NEC Network and Sensor Systems, Ltd.
Akihiko Kasahara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron tube
Patent number
9,196,448
Issue date
Nov 24, 2015
NEC Network and Sensor Systems, Ltd.
Akihiko Kasahara
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
HIGH FREQUENCY WINDOW AND MANUFACTURING METHOD THEREFOR
Publication number
20200020999
Publication date
Jan 16, 2020
NEC NETWORK AND SENSOR SYSTEMS, LTD.
Akihiko KASAHARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRON TUBE
Publication number
20140292190
Publication date
Oct 2, 2014
NETCOMSEC CO., LTD.
Akihiko KASAHARA
H01 - BASIC ELECTRIC ELEMENTS