Kentaro Ichii

Person

Sakura, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical fiber sensor
- Patent number 10,883,860
- Issue date Jan 5, 2021
- Fujikura Ltd.
- Kenichi Ohmori
- G01 - MEASURING TESTING
Information Patent Grant
Optical fiber
- Patent number 10,670,812
- Issue date Jun 2, 2020
- Fujikura Ltd.
- Keisuke Hirakawa
- G02 - OPTICS
Information Patent Grant
Method of manufacturing optical fiber base material and method of m...
- Patent number 10,246,366
- Issue date Apr 2, 2019
- Fujikura Ltd.
- Nobuo Oozeki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical coupler, laser device, and taper fiber
- Patent number 10,073,220
- Issue date Sep 11, 2018
- Fujikura Ltd.
- Tomoyuki Fujita
- G02 - OPTICS
Information Patent Grant
Optical fiber for amplification and optical fiber amplifier using t...
- Patent number 9,698,557
- Issue date Jul 4, 2017
- Fujikura Ltd.
- Tsukasa Hosokawa
- G02 - OPTICS
Information Patent Grant
Amplification optical fiber and optical fiber amplifier
- Patent number 9,673,589
- Issue date Jun 6, 2017
- Fujikura Ltd.
- Tsukasa Hosokawa
- G02 - OPTICS
Information Patent Grant
Amplifying optical fiber and optical amplifier
- Patent number 9,515,450
- Issue date Dec 6, 2016
- Fujikura Ltd.
- Shoichiro Matsuo
- G02 - OPTICS
Information Patent Grant
Amplifying optical fiber and optical amplifier
- Patent number 9,252,556
- Issue date Feb 2, 2016
- Fujikura Ltd.
- Shoichiro Matsuo
- G02 - OPTICS
Information Patent Grant
Ytterbium-doped optical fiber, fiber laser and fiber amplifier
- Patent number 8,941,912
- Issue date Jan 27, 2015
- Fujikura Ltd.
- Shoji Tanigawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Ytterbium-doped optical fiber
- Patent number 8,774,590
- Issue date Jul 8, 2014
- Fujikura Ltd.
- Kentaro Ichii
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Manufacturing method for optical fiber preform and optical fiber
- Patent number 8,693,833
- Issue date Apr 8, 2014
- Fujikura Ltd.
- Kentaro Ichii
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Multi-cladding optical fiber, optical fiber module, fiber laser, an...
- Patent number 8,660,396
- Issue date Feb 25, 2014
- Fujikura Ltd.
- Shoji Tanigawa
- G02 - OPTICS
Information Patent Grant
Method for fabricating porous silica preform
- Patent number 8,375,749
- Issue date Feb 19, 2013
- Fujikura Ltd.
- Kentaro Ichii
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Ytterbium-doped optical fiber, fiber laser, and fiber amplifier
- Patent number 8,363,313
- Issue date Jan 29, 2013
- Fujikura Ltd.
- Teruno Nakaguma
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Processing method for suppressing photodarkening in Yb-doped optica...
- Patent number 8,125,705
- Issue date Feb 28, 2012
- Fujikura Ltd.
- Kentaro Ichii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical communication module, manufacturing method therefor, and op...
- Patent number 8,113,724
- Issue date Feb 14, 2012
- Fujikura Ltd.
- Yoshihiro Terada
- G02 - OPTICS
Information Patent Grant
Method for fabricating porous silica preform
- Patent number 7,647,792
- Issue date Jan 19, 2010
- Fujikura Ltd.
- Kentaro Ichii
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER SENSOR
- Publication number 20200041313
- Publication date Feb 6, 2020
- FUJIKURA LTD.
- Kenichi Ohmori
- G02 - OPTICS
Information Patent Application
POLARIZATION MAINTAINING FIBER, OPTICAL DEVICE, PREFORM OF POLARIZA...
- Publication number 20200012041
- Publication date Jan 9, 2020
- FUJIKURA LTD.
- Kentaro Ichii
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER
- Publication number 20190204512
- Publication date Jul 4, 2019
- FUJIKURA LTD.
- Keisuke Hirakawa
- G02 - OPTICS
Information Patent Application
OPTICAL COUPLER, LASER DEVICE, AND TAPER FIBER
- Publication number 20170235055
- Publication date Aug 17, 2017
- FUJIKURA LTD.
- Tomoyuki Fujita
- G02 - OPTICS
Information Patent Application
AMPLIFICATION OPTICAL FIBER AND OPTICAL FIBER AMPLIFIER
- Publication number 20170054266
- Publication date Feb 23, 2017
- FUJIKURA LTD.
- Tsukasa Hosokawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL FIBER FOR AMPLIFICATION AND OPTICAL FIBER AMPLIFIER USING T...
- Publication number 20160268757
- Publication date Sep 15, 2016
- FUJIKURA LTD.
- Tsukasa Hosokawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AMPLIFYING OPTICAL FIBER AND OPTICAL AMPLIFIER
- Publication number 20150318659
- Publication date Nov 5, 2015
- FUJIKURA LTD.
- Shoichiro Matsuo
- G02 - OPTICS
Information Patent Application
AMPLIFYING OPTICAL FIBER AND OPTICAL AMPLIFIER
- Publication number 20150318661
- Publication date Nov 5, 2015
- FUJIKURA LTD.
- Shoichiro Matsuo
- G02 - OPTICS
Information Patent Application
METHOD OF MANUFACTURING OPTICAL FIBER BASE MATERIAL AND METHOD OF M...
- Publication number 20130081430
- Publication date Apr 4, 2013
- FUJIKURA LTD.
- Nobuo Oozeki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD OF MANUFACTURING OPTICAL FIBER BASE MATERIAL AND METHOD OF M...
- Publication number 20130081429
- Publication date Apr 4, 2013
- FUJIKURA LTD.
- Nobuo Oozeki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
MANUFACTURING METHOD FOR OPTICAL FIBER PREFORM AND OPTICAL FIBER
- Publication number 20120014653
- Publication date Jan 19, 2012
- FUJIKURA LTD.
- Kentaro ICHII
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTI-CLADDING OPTICAL FIBER, OPTICAL FIBER MODULE, FIBER LASER, AN...
- Publication number 20110305251
- Publication date Dec 15, 2011
- National University Corporation Hokkaido University
- Shoji TANIGAWA
- G02 - OPTICS
Information Patent Application
YTTERBIUM-DOPED OPTICAL FIBER
- Publication number 20110206341
- Publication date Aug 25, 2011
- FUJIKURA LTD.
- Kentaro ICHII
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
YTTERBIUM-DOPED OPTICAL FIBER, FIBER LASER AND FIBER AMPLIFIER
- Publication number 20110142083
- Publication date Jun 16, 2011
- FUJIKURA LTD.
- Shoji TANIGAWA
- G02 - OPTICS
Information Patent Application
YTTERBIUM-DOPED OPTICAL FIBER, FIBER LASER, AND FIBER AMPLIFIER
- Publication number 20110026106
- Publication date Feb 3, 2011
- FUJIKURA LTD.
- Teruno NAKAGUMA
- G02 - OPTICS
Information Patent Application
METHOD FOR FABRICATING POROUS SILICAPREFORM AND POROUS SILICA PREFORM
- Publication number 20100077800
- Publication date Apr 1, 2010
- FUJIKURA LTD.
- Kentaro Ichii
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
RARE-EARTH DOPED CORE MULTI-CLAD FIBER, FIBER AMPLIFIER, AND FIBER...
- Publication number 20100079854
- Publication date Apr 1, 2010
- FUJIKURA LTD.
- Shoji Tanigawa
- G02 - OPTICS
Information Patent Application
OPTICAL COMMUNICATION MODULE, MANUFACTURING METHOD THEREFOR, AND OP...
- Publication number 20100061684
- Publication date Mar 11, 2010
- FUJIKURA LTD.
- Yoshihiro TERADA
- G02 - OPTICS
Information Patent Application
PROCESSING METHOD FOR SUPPRESSING PHOTODARKENING IN Yb-DOPED OPTICA...
- Publication number 20090231683
- Publication date Sep 17, 2009
- FUJIKURA LTD.
- Kentaro Ichii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL/ELECTRICAL CIRCUIT INTERCONNECT BOARD AND EVALUATION METHOD...
- Publication number 20070230863
- Publication date Oct 4, 2007
- FUJIKURA LTD.
- Takeshi Fukuda
- G02 - OPTICS
Information Patent Application
Method for fabricating porous silicapreform and porous silica preform
- Publication number 20050109065
- Publication date May 26, 2005
- FUJIKURA LTD.
- Kentaro Ichii
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Kentaro Ichii

Person

Patents Grantslast 30 patents

Optical fiber sensor

Optical fiber

Method of manufacturing optical fiber base material and method of m...

Optical coupler, laser device, and taper fiber

Optical fiber for amplification and optical fiber amplifier using t...

Amplification optical fiber and optical fiber amplifier

Amplifying optical fiber and optical amplifier

Amplifying optical fiber and optical amplifier

Ytterbium-doped optical fiber, fiber laser and fiber amplifier

Ytterbium-doped optical fiber

Manufacturing method for optical fiber preform and optical fiber

Multi-cladding optical fiber, optical fiber module, fiber laser, an...

Method for fabricating porous silica preform

Ytterbium-doped optical fiber, fiber laser, and fiber amplifier

Processing method for suppressing photodarkening in Yb-doped optica...

Optical communication module, manufacturing method therefor, and op...

Method for fabricating porous silica preform

Patents Applicationslast 30 patents

OPTICAL FIBER SENSOR

POLARIZATION MAINTAINING FIBER, OPTICAL DEVICE, PREFORM OF POLARIZA...

OPTICAL FIBER

OPTICAL COUPLER, LASER DEVICE, AND TAPER FIBER

AMPLIFICATION OPTICAL FIBER AND OPTICAL FIBER AMPLIFIER

OPTICAL FIBER FOR AMPLIFICATION AND OPTICAL FIBER AMPLIFIER USING T...

AMPLIFYING OPTICAL FIBER AND OPTICAL AMPLIFIER

AMPLIFYING OPTICAL FIBER AND OPTICAL AMPLIFIER

METHOD OF MANUFACTURING OPTICAL FIBER BASE MATERIAL AND METHOD OF M...

METHOD OF MANUFACTURING OPTICAL FIBER BASE MATERIAL AND METHOD OF M...

MANUFACTURING METHOD FOR OPTICAL FIBER PREFORM AND OPTICAL FIBER

MULTI-CLADDING OPTICAL FIBER, OPTICAL FIBER MODULE, FIBER LASER, AN...

YTTERBIUM-DOPED OPTICAL FIBER

YTTERBIUM-DOPED OPTICAL FIBER, FIBER LASER AND FIBER AMPLIFIER

YTTERBIUM-DOPED OPTICAL FIBER, FIBER LASER, AND FIBER AMPLIFIER

METHOD FOR FABRICATING POROUS SILICAPREFORM AND POROUS SILICA PREFORM

RARE-EARTH DOPED CORE MULTI-CLAD FIBER, FIBER AMPLIFIER, AND FIBER...

OPTICAL COMMUNICATION MODULE, MANUFACTURING METHOD THEREFOR, AND OP...

PROCESSING METHOD FOR SUPPRESSING PHOTODARKENING IN Yb-DOPED OPTICA...

OPTICAL/ELECTRICAL CIRCUIT INTERCONNECT BOARD AND EVALUATION METHOD...

Method for fabricating porous silicapreform and porous silica preform