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Akira Nagayama
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Power amplifying circuit, and transmitter and wireless communicatio...
Patent number
8,463,202
Issue date
Jun 11, 2013
Kyocera Corporation
Akira Nagayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power amplifier circuit, and transmitter and wireless communication...
Patent number
8,457,565
Issue date
Jun 4, 2013
Kyocera Corporation
Akira Nagayama
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Adder, and power combiner, quadrature modulator, quadrature demodul...
Patent number
8,396,435
Issue date
Mar 12, 2013
Kyocera Corporation
Akira Nagayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Addition circuit, power amplifier circuit using same, and transmiss...
Patent number
8,351,881
Issue date
Jan 8, 2013
Kyocera Corporation
Yasuhiko Fukuoka
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power amplification device, and transmission device and communicati...
Patent number
8,344,781
Issue date
Jan 1, 2013
Kyocera Corporation
Akira Nagayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power amplification device, and transmission device and communicati...
Patent number
8,290,454
Issue date
Oct 16, 2012
Kyocera Corporation
Akira Nagayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power amplification device and communication device
Patent number
8,207,774
Issue date
Jun 26, 2012
Kyocera Corporation
Akira Nagayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power amplification device and communication device
Patent number
8,013,652
Issue date
Sep 6, 2011
Kyocera Corporation
Akira Nagayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Automatic assembly and inspection system for optical connector
Patent number
5,770,001
Issue date
Jun 23, 1998
Nippon Telegraph & Telephone Corporation
Akira Nagayama
G02 - OPTICS
Information
Patent Grant
Polishing plate for optical fiber connector ferrule end face and po...
Patent number
5,503,590
Issue date
Apr 2, 1996
Nippon Telegraph & Telephone Corporation
Tadao Saitoh
G02 - OPTICS
Information
Patent Grant
Optical fiber connector unit and optical fiber connector
Patent number
5,436,995
Issue date
Jul 25, 1995
Nippon Telegraph & Telephone Corporation
Takashi Yoshizawa
G02 - OPTICS
Information
Patent Grant
Automated optical main distributing frame system
Patent number
5,204,921
Issue date
Apr 20, 1993
Nippon Telegraph & Telephone Corporation
Tsuneo Kanai
G02 - OPTICS
Information
Patent Grant
Servo system with reduction of transient error and settling time
Patent number
4,207,506
Issue date
Jun 10, 1980
Nippon Telegraph & Telephone Public Corporation
Hisashi Sasaoka
G05 - CONTROLLING REGULATING
Patents Applications
last 30 patents
Information
Patent Application
Amplification Circuit, Communication Device, and Transmission Devic...
Publication number
20130076444
Publication date
Mar 28, 2013
KYOCERA CORPORATION
Shinji Aikawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Transfer Gate Circuit and Power Combining Circuit, Power Amplifying...
Publication number
20120270512
Publication date
Oct 25, 2012
KYOCERA CORPORATION
Akira Nagayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Detector Device, and Amplification Device, Transmission Device, and...
Publication number
20120149315
Publication date
Jun 14, 2012
KYOCERA CORPORATION
Akira Nagayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POWER AMPLIFICATION DEVICE AND COMMUNICATION DEVICE
Publication number
20110285446
Publication date
Nov 24, 2011
Kyocera Corporation
Akira Nagayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ADDITION CIRCUIT, POWER AMPLIFIER CIRCUIT USING SAME, AND TRANSMISS...
Publication number
20110256839
Publication date
Oct 20, 2011
Yasuhiko Fukuoka
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ADDER, AND POWER COMBINER, QUADRATURE MODULATOR, QUADRATURE DEMODUL...
Publication number
20110223871
Publication date
Sep 15, 2011
Kyocera Corporation
Akira Nagayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
POWER AMPLIFICATION DEVICE, AND TRANSMISSION DEVICE AND COMMUNICATI...
Publication number
20110140761
Publication date
Jun 16, 2011
Akira Nagayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
POWER AMPLIFICATION DEVICE, AND TRANSMISSION DEVICE AND COMMUNICATI...
Publication number
20110130106
Publication date
Jun 2, 2011
Kyocera Corporation
Akira Nagayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
POWER AMPLIFICATION DEVICE AND COMMUNICATION DEVICE
Publication number
20110001541
Publication date
Jan 6, 2011
Kyocera Corporation
Akira Nagayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
POWER AMPLIFYING CIRCUIT, AND TRANSMITTER AND WIRELESS COMMUNICATIO...
Publication number
20100240331
Publication date
Sep 23, 2010
Kyocera Corporation
Akira Nagayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
POWER AMPLIFIER CIRCUIT, AND TRANSMITTER AND WIRELESS COMMUNICATION...
Publication number
20100240332
Publication date
Sep 23, 2010
Kyocera Corporation
Akira Nagayama
H03 - BASIC ELECTRONIC CIRCUITRY