Inventor
YAGI TAKESHI
JP101 patents
⚠️ This page may combine multiple inventors who share the name “YAGI TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FURUKAWA ELECTRIC CO LTD
28 patentsUS5244485ASep 14, 1993
Method of manufacturing a silica glass preform
FURUKAWA ELECTRIC CO LTD55 citations95
US7574088B2Aug 11, 2009
Optical fiber and optical fiber ribbon, and optical interconnection system
FURUKAWA ELECTRIC CO LTD32 citations92
US7440167B2Oct 21, 2008
Optical fiber for Raman amplification, optical fiber coil, Raman amplifier, and optical communication system
FURUKAWA ELECTRIC CO LTD24 citations92
US7366386B2Apr 29, 2008
Optical fiber and optical interconnection system
FURUKAWA ELECTRIC CO LTD26 citations92
US7295741B2Nov 13, 2007
Optical fiber, optical fiber ribbon, and optical interconnection system
FURUKAWA ELECTRIC CO LTD38 citations92
US7248399B2Jul 24, 2007
Optical fiber for Raman amplification, optical fiber coil, Raman amplifier, and optical communication system
FURUKAWA ELECTRIC CO LTD17 citations92
US6463201B2Oct 8, 2002
Light amplification optical fiber and light amplifier using the same
FURUKAWA ELECTRIC CO LTD25 citations92
US5615295AMar 25, 1997
Optical fiber and process of producing the same
FURUKAWA ELECTRIC CO LTD23 citations92
US5352259AOct 4, 1994
Method of manufacturing optical fiber preform
FURUKAWA ELECTRIC CO LTD52 citations91
US5185020AFeb 9, 1993
Method for manufacturing a silica-base material for optical fiber
FURUKAWA ELECTRIC CO LTD48 citations91
US5314520AMay 24, 1994
Method for manufacturing optical fiber preform
FURUKAWA ELECTRIC CO LTD22 citations90
US7099545B2Aug 29, 2006
Single-mode optical fiber
FURUKAWA ELECTRIC CO LTD13 citations84
US6671444B1Dec 30, 2003
Optical fiber
FURUKAWA ELECTRIC CO LTD15 citations84
US7787732B2Aug 31, 2010
Optical fiber and optical fiber ribbon, and optical interconnection system
FURUKAWA ELECTRIC CO LTD8 citations83
US7126748B2Oct 24, 2006
Optical fiber, optical fiber module, and Raman amplifier
FURUKAWA ELECTRIC CO LTD8 citations74
US7046885B2May 16, 2006
Optical fiber, Raman amplifier, and optical communication system
FURUKAWA ELECTRIC CO LTD10 citations74
US6668121B2Dec 23, 2003
Optical fiber, and dispersion compensator using same, optical transmission line using same and optical transmission system using same
FURUKAWA ELECTRIC CO LTD7 citations74
US10007073B2Jun 26, 2018
Optical component including a high-relative-refractive-index-index-difference optical fiber a single-mode optical fiber an optical device and a fixing member to fix a relative opsition
FURUKAWA ELECTRIC CO LTD2 citations73
US5169421ADec 8, 1992
Method of manufacturing silica glass optical waveguide preform
FURUKAWA ELECTRIC CO LTD8 citations72
US11036024B2Jun 15, 2021
Method for manufacturing intermittent bonding type optical fiber ribbon and intermittent bonding type optical fiber ribbon
FURUKAWA ELECTRIC CO LTD3 citations71
US5318432AJun 7, 1994
Apparatus for forming porous preform used to fabricate optical fiber
FURUKAWA ELECTRIC CO LTD15 citations68
US6778748B2Aug 17, 2004
Optical fiber, dispersion compensator using the same, and optical transmission system
FURUKAWA ELECTRIC CO LTD2 citations63
US11629244B2Apr 18, 2023
Thermoplastic resin composition, cellulose-reinforced thermoplastic resin composition, method of producing cellulose-reinforced thermoplastic resin composition, molded article of cellulose-reinforced resin, and method of producing molded article of cellulose-reinforced resin
FURUKAWA ELECTRIC CO LTD0 citations62
US11597817B2Mar 7, 2023
Thermoplastic resin composition, method of producing thermoplastic resin composition, molded article of cellulose-reinforced resin, and method of producing molded article of cellulose-reinforced resin
FURUKAWA ELECTRIC CO LTD0 citations62
US11485837B2Nov 1, 2022
Polyolefin resin composite material and method of producing the same
FURUKAWA ELECTRIC CO LTD0 citations62
US9075185B2Jul 7, 2015
Hole-assisted optical fiber
FURUKAWA ELECTRIC CO LTD2 citations62
US7689080B2Mar 30, 2010
Optical fiber ribbon
FURUKAWA ELECTRIC CO LTD5 citations62
US7583878B2Sep 1, 2009
Optical fiber, optical fiber ribbon, and optical interconnection system
FURUKAWA ELECTRIC CO LTD6 citations62
NIPPON TELEGRAPH & TELEPHONE
15 patentsUS10462168B2Oct 29, 2019
Access classifying device, access classifying method, and access classifying program
NIPPON TELEGRAPH & TELEPHONE22 citations93
US10721244B2Jul 21, 2020
Traffic feature information extraction method, traffic feature information extraction device, and traffic feature information extraction program
NIPPON TELEGRAPH & TELEPHONE12 citations85
US7525919B2Apr 28, 2009
Packet communication method with increased traffic engineering efficiency
NIPPON TELEGRAPH & TELEPHONE20 citations82
US11652845B2May 16, 2023
Attack countermeasure determination apparatus, attack countermeasure determination method, and attack countermeasure determination program
NIPPON TELEGRAPH & TELEPHONE2 citations73
US11270001B2Mar 8, 2022
Classification apparatus, classification method, and classification program
NIPPON TELEGRAPH & TELEPHONE6 citations73
US11159548B2Oct 26, 2021
Analysis method, analysis device, and analysis program
NIPPON TELEGRAPH & TELEPHONE2 citations73
US10033761B2Jul 24, 2018
System and method for monitoring falsification of content after detection of unauthorized access
NIPPON TELEGRAPH & TELEPHONE3 citations73
US11019096B2May 25, 2021
Combining apparatus, combining method, and combining program
NIPPON TELEGRAPH & TELEPHONE4 citations72
US10621347B2Apr 14, 2020
Browser emulator device, construction device, browser emulation method, browser emulation program, construction method, and construction program
NIPPON TELEGRAPH & TELEPHONE4 citations72
US10462158B2Oct 29, 2019
URL selection method, URL selection system, URL selection device, and URL selection program
NIPPON TELEGRAPH & TELEPHONE3 citations72
US10416970B2Sep 17, 2019
Analysis device, analysis method, and analysis program
NIPPON TELEGRAPH & TELEPHONE2 citations72
US10970391B2Apr 6, 2021
Classification method, classification device, and classification program
NIPPON TELEGRAPH & TELEPHONE1 citations62
US10701085B2Jun 30, 2020
Communication partner malignancy calculation device, communication partner malignancy calculation method, and communication partner malignancy calculation program
NIPPON TELEGRAPH & TELEPHONE1 citations62
US10366236B2Jul 30, 2019
Software analysis system, software analysis method, and software analysis program
NIPPON TELEGRAPH & TELEPHONE1 citations62
US11481307B2Oct 25, 2022
Call stack acquisition device, call stack acquisition method and call stack acquisition program
NIPPON TELEGRAPH & TELEPHONE1 citations61
NIKON CORP
4 patentsUS5899792AMay 4, 1999
Optical polishing apparatus and methods
NIKON CORP100 citations98
US6074287AJun 13, 2000
Semiconductor wafer polishing apparatus
NIKON CORP73 citations96
US6677178B2Jan 13, 2004
Semiconductor devices including back-surface-incidence CCD light-sensors, and methods for manufacturing same
NIKON CORP2 citations63
US10603687B2Mar 31, 2020
Vibration data generation program and vibration data generation device
NIKON CORP1 citations62
FUJITSU LTD
2 patentsNGK INSULATORS LTD
1 patentShowing the top 50 of 101 patents by PatentIndex Score.