Inventor
OSATO KEN
JP73 patents
⚠️ This page may combine multiple inventors who share the name “OSATO KEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJIKURA LTD
44 patentsUS6973243B2Dec 6, 2005
Cable
FUJIKURA LTD160 citations98
US9995896B2Jun 12, 2018
Optical fiber ribbon and optical fiber cable housing optical fiber ribbon
FUJIKURA LTD17 citations93
US9389386B2Jul 12, 2016
Manufacturing method of optical fiber ribbon, manufacturing device for optical fiber ribbon implementing said manufacturing method, and optical fiber ribbon manufactured with said manufacturing method
FUJIKURA LTD26 citations93
US9086555B2Jul 21, 2015
Manufacturing method of optical fiber ribbon, and optical fiber ribbon manufactured by the manufacturing method
FUJIKURA LTD36 citations93
US11287591B2Mar 29, 2022
Optical fiber cable
FUJIKURA LTD6 citations85
US10185110B2Jan 22, 2019
Optical fiber ribbon, optical fiber cable, and method for producing optical fiber ribbon
FUJIKURA LTD18 citations85
US9008478B2Apr 14, 2015
Optical fiber ribbon, optical fiber cable, and wire configuration, each having identification marking
FUJIKURA LTD13 citations83
US9739965B2Aug 22, 2017
Optical fiber ribbon and optical fiber cable housing the optical fiber ribbon
FUJIKURA LTD7 citations82
US9541722B2Jan 10, 2017
Optical fiber ribbon and optical fiber cable
FUJIKURA LTD13 citations82
US10488610B2Nov 26, 2019
Optical fiber unit and optical fiber cable
FUJIKURA LTD2 citations73
US10247900B2Apr 2, 2019
Optical fiber ribbon, method for manufacturing optical fiber ribbon, and UV-curable resin composition used for formation of connection parts in intermittently connected optical fiber ribbon
FUJIKURA LTD4 citations73
US10007079B2Jun 26, 2018
Optical fiber unit and optical fiber cable
FUJIKURA LTD2 citations73
US11709329B2Jul 25, 2023
Optical fiber cable
FUJIKURA LTD3 citations72
US10705305B2Jul 7, 2020
Optical fiber unit and optical fiber cable
FUJIKURA LTD2 citations72
US10345516B2Jul 9, 2019
Optical fiber cable
FUJIKURA LTD5 citations72
US10078194B2Sep 18, 2018
Optical fiber tape manufacturing method, abnormality detection method, and manufacturing system
FUJIKURA LTD5 citations72
US9869838B2Jan 16, 2018
Optical fiber cable and method of manufacturing same
FUJIKURA LTD2 citations72
US9618717B2Apr 11, 2017
Optical fiber unit, optical fiber branching method, and optical fiber cable
FUJIKURA LTD3 citations72
US11892694B2Feb 6, 2024
Optical fiber ribbon and optical fiber cable housing optical fiber ribbon
FUJIKURA LTD1 citations71
US11536922B2Dec 27, 2022
Intermittently connected optical fiber ribbon and method for manufacturing intermittently connected optical fiber ribbon
FUJIKURA LTD2 citations71
US10409022B2Sep 10, 2019
Method and device for producing optical fiber unit
FUJIKURA LTD2 citations69
US11635581B2Apr 25, 2023
Optical fiber unit and machining method for optical fiber unit
FUJIKURA LTD2 citations68
US10688740B2Jun 23, 2020
Method and device for manufacturing optical fiber ribbon
FUJIKURA LTD3 citations68
US12339509B2Jun 24, 2025
Cable and cable reinforcement sheet
FUJIKURA LTD0 citations62
US12298578B2May 13, 2025
Optical fiber cable production method, and optical fiber cable
FUJIKURA LTD0 citations62
US12292613B2May 6, 2025
Optical cable and optical-cable manufacturing method
FUJIKURA LTD0 citations62
US11899259B2Feb 13, 2024
Cable and cable reinforcement sheet
FUJIKURA LTD0 citations62
US11835778B2Dec 5, 2023
Optical fiber cable production method, and optical fiber cable
FUJIKURA LTD0 citations62
US11256056B2Feb 22, 2022
Method for manufacturing optical fiber ribbon, optical fiber ribbon, and optical cable
FUJIKURA LTD1 citations62
US12587002B2Mar 24, 2026
Conduit and method for laying cable
FUJIKURA LTD0 citations61
US12013586B2Jun 18, 2024
Optical fiber cable
FUJIKURA LTD0 citations61
US11768344B2Sep 26, 2023
Cable wiring method
FUJIKURA LTD0 citations61
US11422325B2Aug 23, 2022
Optical fiber ribbon and optical fiber cable housing optical fiber ribbon
FUJIKURA LTD0 citations61
US11262515B2Mar 1, 2022
Optical fiber cable and method for manufacturing optical fiber cable
FUJIKURA LTD1 citations61
US11199676B2Dec 14, 2021
Manufacturing method of optical fiber cable and manufacturing apparatus of optical fiber cable
FUJIKURA LTD0 citations61
US11181706B2Nov 23, 2021
Optical fiber cable
FUJIKURA LTD1 citations61
US11048054B2Jun 29, 2021
Optical fiber cable and method of manufacturing optical fiber cable
FUJIKURA LTD1 citations61
US10775581B2Sep 15, 2020
Optical cable and sheath removing method
FUJIKURA LTD1 citations61
US11921336B2Mar 5, 2024
Reticulated tube, optical fiber protective unit, method for protecting optical fiber, and method for manufacturing reticulated tube
FUJIKURA LTD0 citations60
US11921341B2Mar 5, 2024
Optical cable and optical cable manufacturing method
FUJIKURA LTD1 citations60
US11525972B2Dec 13, 2022
Reticulated tube, optical fiber protective unit, method for protecting optical fiber, and method for manufacturing reticulated tube
FUJIKURA LTD1 citations60
US11215780B2Jan 4, 2022
Optical fiber cable
FUJIKURA LTD0 citations59
US12353036B2Jul 8, 2025
Optical fiber cable
FUJIKURA LTD0 citations58
US12269708B2Apr 8, 2025
Housing unit and wound body
FUJIKURA LTD0 citations58
AFL TELECOMMUNICATIONS LLC
6 patentsUS12105335B2Oct 1, 2024
Optical fiber cable
AFL TELECOMMUNICATIONS LLC1 citations72
US12164165B2Dec 10, 2024
Round and small diameter optical cables with a ribbon-like optical fiber structure
AFL TELECOMMUNICATIONS LLC0 citations62
US11592632B2Feb 28, 2023
Round and small diameter optical cables with a ribbon-like optical fiber structure
AFL TELECOMMUNICATIONS LLC0 citations62
US11231556B2Jan 25, 2022
Round and small diameter optical cables with a ribbon-like optical fiber structure
AFL TELECOMMUNICATIONS LLC0 citations62
US10955630B2Mar 23, 2021
Round and small diameter optical cables with a ribbon-like optical fiber structure
AFL TELECOMMUNICATIONS LLC0 citations62
US9958627B2May 1, 2018
Round and small diameter optical cables with a ribbon-like optical fiber structure
AFL TELECOMMUNICATIONS LLC1 citations62
Showing the top 50 of 73 patents by PatentIndex Score.