Ryokichi Matsumoto

Person

Sakura-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical combiner and laser apparatus
- Patent number 11,955,777
- Issue date Apr 9, 2024
- Fujikura Ltd.
- Tomoyuki Fujita
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Optical combiner, laser device, and method for manufacturing optica...
- Patent number 11,808,982
- Issue date Nov 7, 2023
- Fujikura Ltd.
- Ryokichi Matsumoto
- G02 - OPTICS
Information Patent Grant
Optical fiber securing structure and laser device
- Patent number 11,703,647
- Issue date Jul 18, 2023
- Fujikura Ltd.
- Ryokichi Matsumoto
- G02 - OPTICS
Information Patent Grant
Cladding mode stripper
- Patent number 11,422,307
- Issue date Aug 23, 2022
- Fujikura Ltd.
- Ryokichi Matsumoto
- G02 - OPTICS
Information Patent Grant
Optical fiber and fiber laser
- Patent number 10,879,666
- Issue date Dec 29, 2020
- Fujikura Ltd.
- Ryokichi Matsumoto
- G02 - OPTICS
Information Patent Grant
Cladding mode light removal structure and laser apparatus
- Patent number 10,845,541
- Issue date Nov 24, 2020
- Fujikura Ltd.
- Kenji Kuniyasu
- G02 - OPTICS
Information Patent Grant
Optical fiber and fiber laser
- Patent number 10,833,470
- Issue date Nov 10, 2020
- Fujikura Ltd.
- Ryokichi Matsumoto
- G02 - OPTICS
Information Patent Grant
Optical fiber fusion splice structure and method of manufacturing l...
- Patent number 10,466,417
- Issue date Nov 5, 2019
- Fujikura Ltd.
- Kenji Kuniyasu
- G02 - OPTICS
Information Patent Grant
Method for connecting optical waveguide and optical fiber, semicond...
- Patent number 10,168,483
- Issue date Jan 1, 2019
- Fujikura Ltd.
- Hiroki Ishihara
- G02 - OPTICS
Information Patent Grant
Optical waveguide element, light-receiving device, optical communic...
- Patent number 9,857,533
- Issue date Jan 2, 2018
- Fujikura Ltd.
- Hiroyuki Kusaka
- G02 - OPTICS
Information Patent Grant
Optical modulation device
- Patent number 9,817,294
- Issue date Nov 14, 2017
- Fujikura Ltd.
- Kazuhiro Goi
- G02 - OPTICS
Information Patent Grant
High-frequency circuit and optical modulator
- Patent number 9,423,667
- Issue date Aug 23, 2016
- Fujikura Ltd.
- Ryokichi Matsumoto
- G02 - OPTICS
Information Patent Grant
Optical fiber coupler and optical fiber therefor
- Patent number 7,450,802
- Issue date Nov 11, 2008
- Fujikura Ltd.
- Yuu Ishii
- G02 - OPTICS
Information Patent Grant
Polarization-maintaining optical fiber and polarization-maintaining...
- Patent number 7,050,672
- Issue date May 23, 2006
- Fujikura Ltd.
- Ryokichi Matsumoto
- G02 - OPTICS
Information Patent Grant
Method of manufacturing polarization-maintaining optical fiber coupler
- Patent number 6,463,195
- Issue date Oct 8, 2002
- Fujikura Ltd.
- Hideki Sasaki
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL COMBINER AND LASER APPARATUS
- Publication number 20230208109
- Publication date Jun 29, 2023
- FUJIKURA LTD.
- Ryokichi Matsumoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL COMBINER AND LASER APPARATUS
- Publication number 20220276433
- Publication date Sep 1, 2022
- FUJIKURA LTD.
- Tomoyuki Fujita
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
OPTICAL COMBINER, LASER DEVICE, AND METHOD FOR MANUFACTURING OPTICA...
- Publication number 20220269095
- Publication date Aug 25, 2022
- FUJIKURA LTD.
- Ryokichi Matsumoto
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER SECURING STRUCTURE AND LASER DEVICE
- Publication number 20220269018
- Publication date Aug 25, 2022
- FUJIKURA LTD.
- Ryokichi Matsumoto
- G02 - OPTICS
Information Patent Application
FIBER LASER, AND METHOD FOR OUTPUTTING LASER LIGHT
- Publication number 20220255287
- Publication date Aug 11, 2022
- FUJIKURA LTD.
- Ryokichi Matsumoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL DEVICE AND LASER APPARATUS
- Publication number 20210199891
- Publication date Jul 1, 2021
- FUJIKURA LTD.
- Ryokichi Matsumoto
- G02 - OPTICS
Information Patent Application
CLADDING MODE STRIPPER
- Publication number 20210103096
- Publication date Apr 8, 2021
- FUJIKURA LTD.
- Ryokichi Matsumoto
- G02 - OPTICS
Information Patent Application
COMBINER AND LASER DEVICE
- Publication number 20210103101
- Publication date Apr 8, 2021
- FUJIKURA LTD.
- Ryokichi Matsumoto
- G02 - OPTICS
Information Patent Application
CLADDING MODE LIGHT REMOVAL STRUCTURE AND LASER APPARATUS
- Publication number 20200103593
- Publication date Apr 2, 2020
- FUJIKURA LTD.
- Kenji Kuniyasu
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER AND FIBER LASER
- Publication number 20190237929
- Publication date Aug 1, 2019
- FUJIKURA LTD.
- Ryokichi MATSUMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL FIBER AND FIBER LASER
- Publication number 20190229489
- Publication date Jul 25, 2019
- FUJIKURA LTD.
- Ryokichi Matsumoto
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER FUSION SPLICE STRUCTURE AND METHOD OF MANUFACTURING L...
- Publication number 20190086612
- Publication date Mar 21, 2019
- FUJIKURA LTD.
- Kenji Kuniyasu
- G02 - OPTICS
Information Patent Application
METHOD FOR CONNECTING OPTICAL WAVEGUIDE AND OPTICAL FIBER, SEMICOND...
- Publication number 20170176685
- Publication date Jun 22, 2017
- FUJIKURA LTD.
- Hiroki Ishihara
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE ELEMENT, LIGHT-RECEIVING DEVICE, OPTICAL COMMUNIC...
- Publication number 20170176681
- Publication date Jun 22, 2017
- FUJIKURA LTD.
- Hiroyuki Kusaka
- G02 - OPTICS
Information Patent Application
PRODUCTION METHOD FOR OPTICAL DEVICES
- Publication number 20160306120
- Publication date Oct 20, 2016
- FUJIKURA LTD.
- Ryokichi Matsumoto
- G02 - OPTICS
Information Patent Application
HIGH-FREQUENCY CIRCUIT AND OPTICAL MODULATOR
- Publication number 20150378238
- Publication date Dec 31, 2015
- FUJIKURA LTD.
- Ryokichi Matsumoto
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATION DEVICE
- Publication number 20150293427
- Publication date Oct 15, 2015
- FUJIKURA LTD.
- Kazuhiro GOI
- G02 - OPTICS
Information Patent Application
Optical fiber coupler and optical fiber therefor
- Publication number 20040170358
- Publication date Sep 2, 2004
- FUJIKURA LTD.
- Yuu Ishii
- G02 - OPTICS

Ryokichi Matsumoto

Person

Patents Grantslast 30 patents

Optical combiner and laser apparatus

Optical combiner, laser device, and method for manufacturing optica...

Optical fiber securing structure and laser device

Cladding mode stripper

Optical fiber and fiber laser

Cladding mode light removal structure and laser apparatus

Optical fiber and fiber laser

Optical fiber fusion splice structure and method of manufacturing l...

Method for connecting optical waveguide and optical fiber, semicond...

Optical waveguide element, light-receiving device, optical communic...

Optical modulation device

High-frequency circuit and optical modulator

Optical fiber coupler and optical fiber therefor

Polarization-maintaining optical fiber and polarization-maintaining...

Method of manufacturing polarization-maintaining optical fiber coupler

Patents Applicationslast 30 patents

OPTICAL COMBINER AND LASER APPARATUS

OPTICAL COMBINER AND LASER APPARATUS

OPTICAL COMBINER, LASER DEVICE, AND METHOD FOR MANUFACTURING OPTICA...

OPTICAL FIBER SECURING STRUCTURE AND LASER DEVICE

FIBER LASER, AND METHOD FOR OUTPUTTING LASER LIGHT

OPTICAL DEVICE AND LASER APPARATUS

CLADDING MODE STRIPPER

COMBINER AND LASER DEVICE

CLADDING MODE LIGHT REMOVAL STRUCTURE AND LASER APPARATUS

OPTICAL FIBER AND FIBER LASER

OPTICAL FIBER AND FIBER LASER

OPTICAL FIBER FUSION SPLICE STRUCTURE AND METHOD OF MANUFACTURING L...

METHOD FOR CONNECTING OPTICAL WAVEGUIDE AND OPTICAL FIBER, SEMICOND...

OPTICAL WAVEGUIDE ELEMENT, LIGHT-RECEIVING DEVICE, OPTICAL COMMUNIC...

PRODUCTION METHOD FOR OPTICAL DEVICES

HIGH-FREQUENCY CIRCUIT AND OPTICAL MODULATOR

OPTICAL MODULATION DEVICE

Optical fiber coupler and optical fiber therefor