Mitsuteru Ishikawa

Person

Yokosuka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
High-speed optical transceiver
- Patent number 12,176,959
- Issue date Dec 24, 2024
- Nippon Telegraph and Telephone Corporation
- Yoshihiro Ogiso
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
IQ optical modulator
- Patent number 11,994,783
- Issue date May 28, 2024
- Nippon Telegraph and Telephone Corporation
- Yoshihiro Ogiso
- G02 - OPTICS
Information Patent Grant
Method for estimating amount of wavelength dispersion, wavelength d...
- Patent number 9,178,614
- Issue date Nov 3, 2015
- Nippon Telegraph and Telephone Corporation
- Etsushi Yamazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength dispersion amount estimation method, wavelength dispersi...
- Patent number 8,971,703
- Issue date Mar 3, 2015
- Nippon Telegraph and Telephone Corporation
- Etsushi Yamazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor optical modulator and optical modulating apparatus
- Patent number 8,401,344
- Issue date Mar 19, 2013
- NTT Electronics Corporation
- Tadao Ishibashi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
High-Speed Optical Transceiver
- Publication number 20250070888
- Publication date Feb 27, 2025
- Nippon Telegraph and Telephone Corporation
- Yoshihiro Ogiso
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Photonic Integrated Circuit
- Publication number 20230333334
- Publication date Oct 19, 2023
- Nippon Telegraph and Telephone Corporation
- Yusuke Saito
- G02 - OPTICS
Information Patent Application
Semiconductor IQ Modulator
- Publication number 20230273497
- Publication date Aug 31, 2023
- Nippon Telegraph and Telephone Corporation
- Josuke Ozaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Tunable Laser Diode
- Publication number 20230187903
- Publication date Jun 15, 2023
- Nippon Telegraph and Telephone Corporation
- Yuta Ueda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
High-Speed Optical Transceiver
- Publication number 20230069120
- Publication date Mar 2, 2023
- Nippon Telegraph and Telephone Corporation
- Yoshihiro Ogiso
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Manufacturing Method of Monolithic Mirror
- Publication number 20230026756
- Publication date Jan 26, 2023
- Nippon Telegraph and Telephone Corporation
- Yusuke Saito
- G02 - OPTICS
Information Patent Application
Tunable Light Source
- Publication number 20230006419
- Publication date Jan 5, 2023
- Nippon Telegraph and Telephone Corporation
- Yuta Ueda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IQ Optical Modulator
- Publication number 20220326585
- Publication date Oct 13, 2022
- Nippon Telegraph and Telephone Corporation
- Yoshihiro Ogiso
- G02 - OPTICS
Information Patent Application
Semiconductor Optical Modulator and Method of Manufacturing the Same
- Publication number 20220260862
- Publication date Aug 18, 2022
- Nippon Telegraph and Telephone Corporation
- Yoshihiro Ogiso
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Optical Integrated Circuit
- Publication number 20220231476
- Publication date Jul 21, 2022
- Nippon Telegraph and Telephone Corporation
- Yuta Ueda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Surface Emission Optical Circuit and Surface Emission Light Source...
- Publication number 20220229229
- Publication date Jul 21, 2022
- Nippon Telegraph and Telephone Corporation
- Yusuke Saito
- G02 - OPTICS
Information Patent Application
METHOD FOR ESTIMATING AMOUNT OF WAVELENGTH DISPERSION, WAVELENGTH D...
- Publication number 20140016929
- Publication date Jan 16, 2014
- Nippon Telegraph and Telephone Corporation
- Etsushi Yamazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH DISPERSION AMOUNT ESTIMATION METHOD, WAVELENGTH DISPERSI...
- Publication number 20130343749
- Publication date Dec 26, 2013
- Etsushi Yamazaki
- G01 - MEASURING TESTING
Information Patent Application
SEMICONDUCTOR OPTICAL MODULATOR AND OPTICAL MODULATING APPARATUS
- Publication number 20100296769
- Publication date Nov 25, 2010
- Tadao Ishibashi
- G02 - OPTICS

Mitsuteru Ishikawa

Person

Patents Grantslast 30 patents

High-speed optical transceiver

IQ optical modulator

Method for estimating amount of wavelength dispersion, wavelength d...

Wavelength dispersion amount estimation method, wavelength dispersi...

Semiconductor optical modulator and optical modulating apparatus

Patents Applicationslast 30 patents

High-Speed Optical Transceiver

Photonic Integrated Circuit

Semiconductor IQ Modulator

Tunable Laser Diode

High-Speed Optical Transceiver

Manufacturing Method of Monolithic Mirror

Tunable Light Source

IQ Optical Modulator

Semiconductor Optical Modulator and Method of Manufacturing the Same

Optical Integrated Circuit

Surface Emission Optical Circuit and Surface Emission Light Source...

METHOD FOR ESTIMATING AMOUNT OF WAVELENGTH DISPERSION, WAVELENGTH D...

WAVELENGTH DISPERSION AMOUNT ESTIMATION METHOD, WAVELENGTH DISPERSI...

SEMICONDUCTOR OPTICAL MODULATOR AND OPTICAL MODULATING APPARATUS