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Makoto Jizodo
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Atsugi-shi, Kanagawa-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical 90 degree hybrid circuit
Patent number
11,982,839
Issue date
May 14, 2024
Nippon Telegraph and Telephone Corporation
Makoto Jizodo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polarization multiplexed optical transmitter circuit and polarizati...
Patent number
11,493,776
Issue date
Nov 8, 2022
Nippon Telegraph and Telephone Corporation
Yusuke Nasu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Photodetector
Patent number
10,720,543
Issue date
Jul 21, 2020
Nippon Telegraph and Telephone Corporation
Hiroshi Fukuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Coherent optical mixer circuit
Patent number
10,295,744
Issue date
May 21, 2019
Nippon Telegraph and Telephone Corporation
Shin Kamei
G02 - OPTICS
Information
Patent Grant
Polarization multiplexing optical transmission circuit and polariza...
Patent number
10,193,653
Issue date
Jan 29, 2019
Nippon Telegraph and Telephone Corporation
Shin Kamei
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Silicon optical circuit for flaw detection in an optical circuit el...
Patent number
10,190,941
Issue date
Jan 29, 2019
Nippon Telegraph and Telephone Corporation
Shin Kamei
G02 - OPTICS
Information
Patent Grant
Optical modulator
Patent number
10,146,099
Issue date
Dec 4, 2018
Nippon Telegraph and Telephone Corporation
Ken Tsuzuki
G02 - OPTICS
Information
Patent Grant
Polarization rotator
Patent number
9,817,186
Issue date
Nov 14, 2017
Nippon Telegraph and Telephone Corporation
Shin Kamei
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Optical 90 Degree Hybrid Circuit
Publication number
20220171127
Publication date
Jun 2, 2022
Nippon Telegraph and Telephone Corporation
Makoto Jizodo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Polarization Multiplexed Optical Transmitter Circuit and Polarizati...
Publication number
20220066227
Publication date
Mar 3, 2022
Nippon Telegraph and Telephone Corporation
Yusuke Nasu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SILICON OPTICAL CIRCUIT
Publication number
20180335365
Publication date
Nov 22, 2018
Shin Kamei
G02 - OPTICS
Information
Patent Application
PHOTODETECTOR
Publication number
20180233618
Publication date
Aug 16, 2018
Nippon Telegraph and Telephone Corporation
Hiroshi Fukuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COHERENT OPTICAL MIXER CIRCUIT
Publication number
20180143376
Publication date
May 24, 2018
Nippon Telegraph and Telephone Corporation
Shin Kamei
G02 - OPTICS
Information
Patent Application
Polarization Multiplexing Optical Transmission Circuit and Polariza...
Publication number
20180139007
Publication date
May 17, 2018
Nippon Telegraph and Telephone Corporation
Shin Kamei
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL MODULATOR
Publication number
20170336696
Publication date
Nov 23, 2017
Nippon Telegraph and Telephone Corporation
Ken Tsuzuki
G02 - OPTICS
Information
Patent Application
POLARIZATION ROTATOR
Publication number
20170068048
Publication date
Mar 9, 2017
Nippon Telegraph and Telephone Corporation
Shin Kamei
G02 - OPTICS