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Kenjiro Nishikawa
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Yokosuka-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Wideband low-noise amplifier
Patent number
8,004,363
Issue date
Aug 23, 2011
Nippon Telegraph and Telephone Corporation
Munenari Kawashima
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Antenna device, array antenna device using the antenna device, modu...
Patent number
7,812,767
Issue date
Oct 12, 2010
Nippon Telegraph and Telephone Corporation
Tomohiro Seki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Balun circuit with a cancellation element in each coupled line
Patent number
6,150,897
Issue date
Nov 21, 2000
Nippon Telegraph & Telephone Corporation
Kenjiro Nishikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fully monolithic voltage controlled oscillator with wide tuning range
Patent number
5,973,575
Issue date
Oct 26, 1999
Nippon Telegraph and Telephone Corp.
Kenji Kamogawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High frequency masterslice monolithic integrated circuit
Patent number
5,739,560
Issue date
Apr 14, 1998
Nippon Telegraph & Telephone Corporation
Ichihiko Toyoda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Negative feedback variable gain amplifier circuit
Patent number
5,661,437
Issue date
Aug 26, 1997
Nippon Telegraph & Telephone Corporation
Kenjiro Nishikawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Multilayer transmission line using ground metal with slit, and hybr...
Patent number
5,634,208
Issue date
May 27, 1997
Nippon Telegraph & Telephone Corporation
Kenjiro Nishikawa
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
WIDEBAND LOW-NOISE AMPLIFIER
Publication number
20100066452
Publication date
Mar 18, 2010
Nippon Telegraph and Telephone Corporation
Munenari Kawashima
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Antenna Device, Array Antenna Device Using the Antenna Device, Modu...
Publication number
20080042917
Publication date
Feb 21, 2008
Nippon Telegraph and Telephone Corporation
Tomohiro Seki
H01 - BASIC ELECTRIC ELEMENTS