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Fumio Mieda
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Vacuum tube
Patent number
9,620,323
Issue date
Apr 11, 2017
Noritake Itron Corporation
Kazunori Tatsuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vacuum tube
Patent number
9,583,300
Issue date
Feb 28, 2017
Noritake Itron Corporation
Kazunori Tatsuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vacuum tube circuit
Patent number
7,397,303
Issue date
Jul 8, 2008
KORG, Inc.
Fumio Mieda
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Vacuum tube amplifier having grid as output and plate as input
Patent number
7,053,710
Issue date
May 30, 2006
KORG, Inc.
Fumio Mieda
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
VACUUM TUBE
Publication number
20170103867
Publication date
Apr 13, 2017
NORITAKE ITRON CORPORATION
Kazunori TATSUDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
VACUUM TUBE
Publication number
20160211106
Publication date
Jul 21, 2016
NORITAKE ITRON CORPORATION
Kazunori TATSUDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Vacuum tube circuit
Publication number
20070228988
Publication date
Oct 4, 2007
Fumio Mieda
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Vacuum tube amplifier
Publication number
20040257158
Publication date
Dec 23, 2004
Fumio Mieda
H03 - BASIC ELECTRONIC CIRCUITRY