Inventor
WATANABE TAKURO
JP42 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE TAKURO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
16 patentsUS9606300B2Mar 28, 2017
Adapter and optical connector coupling system
SUMITOMO ELECTRIC INDUSTRIES22 citations94
US9739948B2Aug 22, 2017
Lens-equipped connector
SUMITOMO ELECTRIC INDUSTRIES7 citations83
US9551835B2Jan 24, 2017
Grin lens array, lens-mounted connector, and lens-mounted connector system
SUMITOMO ELECTRIC INDUSTRIES10 citations83
US9618705B2Apr 11, 2017
Receptacle connector
SUMITOMO ELECTRIC INDUSTRIES4 citations73
USD881814SApr 21, 2020
Optical fiber connector
SUMITOMO ELECTRIC INDUSTRIES4 citations71
US11137554B2Oct 5, 2021
Optical connection structure
SUMITOMO ELECTRIC INDUSTRIES2 citations69
US10481340B2Nov 19, 2019
Optical connector ferrule and optical connection structure
SUMITOMO ELECTRIC INDUSTRIES4 citations66
USD908088SJan 19, 2021
Optical fiber connector
SUMITOMO ELECTRIC INDUSTRIES1 citations61
US10436989B2Oct 8, 2019
Optical connector ferrule and optical connector
SUMITOMO ELECTRIC INDUSTRIES1 citations60
US12248186B2Mar 11, 2025
Optical connector jig, optical connector connection method, and optical connector disconnection method
SUMITOMO ELECTRIC INDUSTRIES0 citations51
US12222562B2Feb 11, 2025
Optical apparatus, light emitting apparatus, optical cable, and method of connecting optical apparatus
SUMITOMO ELECTRIC INDUSTRIES0 citations50
US11280964B2Mar 22, 2022
Fusion splicer and method for fusion-splicing optical fibers
SUMITOMO ELECTRIC INDUSTRIES0 citations50
US11150418B2Oct 19, 2021
Optical connector ferrule and optical connector
SUMITOMO ELECTRIC INDUSTRIES0 citations50
US10429592B2Oct 1, 2019
Receptacle connector and optical coupling structure
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US10795092B2Oct 6, 2020
Optical connector, multiple optical connector, and optical connection structure
SUMITOMO ELECTRIC INDUSTRIES0 citations40
US10830958B2Nov 10, 2020
Optical connector and method of producing optical connector
SUMITOMO ELECTRIC INDUSTRIES0 citations39
FUJIFILM BUSINESS INNOVATION CORP
13 patentsUS11048183B2Jun 29, 2021
Electrostatic-image developing toner, electrostatic-image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
FUJIFILM BUSINESS INNOVATION CORP2 citations73
US11982975B2May 14, 2024
Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11188004B2Nov 30, 2021
Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
FUJIFILM BUSINESS INNOVATION CORP1 citations62
US11126102B2Sep 21, 2021
Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
FUJIFILM BUSINESS INNOVATION CORP1 citations62
US11073772B1Jul 27, 2021
Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11067913B1Jul 20, 2021
Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
FUJIFILM BUSINESS INNOVATION CORP1 citations62
US12181836B2Dec 31, 2024
Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method
FUJIFILM BUSINESS INNOVATION CORP0 citations61
US12169390B2Dec 17, 2024
Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method
FUJIFILM BUSINESS INNOVATION CORP0 citations61
US12153377B2Nov 26, 2024
Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method
FUJIFILM BUSINESS INNOVATION CORP0 citations61
US11556071B2Jan 17, 2023
Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method
FUJIFILM BUSINESS INNOVATION CORP0 citations61
US11960243B2Apr 16, 2024
Electrostatic image developer, process cartridge, image forming apparatus, and image forming method
FUJIFILM BUSINESS INNOVATION CORP0 citations60
US11181847B2Nov 23, 2021
Carrier for electrostatic image development, electrostatic image developer, and process cartridge
FUJIFILM BUSINESS INNOVATION CORP0 citations60
US12174583B2Dec 24, 2024
Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method
FUJIFILM BUSINESS INNOVATION CORP0 citations50
FUJI XEROX CO LTD
9 patentsUS10928745B2Feb 23, 2021
Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
FUJI XEROX CO LTD2 citations73
US10359730B2Jul 23, 2019
Image forming apparatus having developer with carrier
FUJI XEROX CO LTD5 citations72
US10739689B2Aug 11, 2020
Electrostatic charge image developer and process cartridge
FUJI XEROX CO LTD0 citations52
US10514652B2Dec 24, 2019
Image forming apparatus and developer set
FUJI XEROX CO LTD0 citations51
US10088763B2Oct 2, 2018
Electrostatic charge image developer, developer cartridge, and process cartridge
FUJI XEROX CO LTD0 citations51
US9891545B2Feb 13, 2018
Electrostatic charge image developer, developer cartridge, and process cartridge
FUJI XEROX CO LTD1 citations51
US9639014B2May 2, 2017
Electrostatic charge image developer, developer cartridge, and process cartridge
FUJI XEROX CO LTD0 citations50
US10303078B2May 28, 2019
Image forming apparatus having two transfer units
FUJI XEROX CO LTD0 citations40
US9535349B2Jan 3, 2017
Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge
FUJI XEROX CO LTD0 citations40