P

Inventor

HATTORI TOMOYUKI

JP40 patents
⚠️ This page may combine multiple inventors who share the name “HATTORI TOMOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO ELECTRIC INDUSTRIES

32 patents
US6810188B1Oct 26, 2004

Coated optical fiber

SUMITOMO ELECTRIC INDUSTRIES64 citations96
US5524164AJun 4, 1996

Coated tape form optical fiber wire

SUMITOMO ELECTRIC INDUSTRIES67 citations94
US7151879B2Dec 19, 2006

Optical fiber ribbon that is easily branched into individual optical fibers and optical fiber cable using the same

SUMITOMO ELECTRIC INDUSTRIES30 citations92
US7116872B2Oct 3, 2006

Optical fiber tape core

SUMITOMO ELECTRIC INDUSTRIES35 citations92
US6028976AFeb 22, 2000

Split type ribbon optical fiber core cable

SUMITOMO ELECTRIC INDUSTRIES33 citations92
US5548672AAug 20, 1996

Reinforced multicore optical fiber coupler

SUMITOMO ELECTRIC INDUSTRIES38 citations92
US5481632AJan 2, 1996

Optical waveguide module and method of manufacturing the same

SUMITOMO ELECTRIC INDUSTRIES47 citations92
US5430821AJul 4, 1995

Protective structure for an optical fiber coupler and method for protecting the same

SUMITOMO ELECTRIC INDUSTRIES24 citations92
US5268984ADec 7, 1993

Coated optical fiber and method of producing the same

SUMITOMO ELECTRIC INDUSTRIES24 citations92
US5261018ANov 9, 1993

Optical-coupler reinforcing material and optical-coupler reinforcing method

SUMITOMO ELECTRIC INDUSTRIES25 citations92
US5013126AMay 7, 1991

Waterproof optical fiber cable

SUMITOMO ELECTRIC INDUSTRIES26 citations92
US5627930AMay 6, 1997

Arrayed optical fiber coupler and method of manufacturing the same

SUMITOMO ELECTRIC INDUSTRIES24 citations91
US5621838AApr 15, 1997

Resins for coated optical fiber units

SUMITOMO ELECTRIC INDUSTRIES34 citations91
US5309536AMay 3, 1994

Process for producing an optical fiber coupler

SUMITOMO ELECTRIC INDUSTRIES28 citations91
US5247598ASep 21, 1993

Reinforcing apparatus for optical-fiber coupler

SUMITOMO ELECTRIC INDUSTRIES33 citations90
US7542644B2Jun 2, 2009

Coated optical fiber and coated optical fiber with connector

SUMITOMO ELECTRIC INDUSTRIES10 citations84
US6309567B1Oct 30, 2001

Collectively coating die device for manufacturing separable optical fiber ribbon and manufacturing method thereof

SUMITOMO ELECTRIC INDUSTRIES19 citations84
US7046884B2May 16, 2006

Optical fiber, optical fiber tape, optical cable and optical connector with optical fiber

SUMITOMO ELECTRIC INDUSTRIES10 citations74
US6907175B2Jun 14, 2005

Coated optical fiber, optical fiber tape core using it and optical fiber unit

SUMITOMO ELECTRIC INDUSTRIES9 citations74
US9057856B2Jun 16, 2015

Optical cable

SUMITOMO ELECTRIC INDUSTRIES4 citations73
US6898356B2May 24, 2005

Split type optical fiber tape core

SUMITOMO ELECTRIC INDUSTRIES7 citations73
US6711335B1Mar 23, 2004

Heat resistant optical fiber core

SUMITOMO ELECTRIC INDUSTRIES10 citations73
US5945173AAug 31, 1999

Method of making optical fiber ribbon

SUMITOMO ELECTRIC INDUSTRIES12 citations73
US5208883AMay 4, 1993

Method of reinforcing optical fiber coupler

SUMITOMO ELECTRIC INDUSTRIES14 citations73
US6333071B1Dec 25, 2001

Method and apparatus for producing optical fiber ribbons

SUMITOMO ELECTRIC INDUSTRIES6 citations63
US5695540ADec 9, 1997

Method of spacing fibers of optical fiber tapes and coupling the fibers

SUMITOMO ELECTRIC INDUSTRIES5 citations63
US5417734AMay 23, 1995

Method of producing optical fiber couplers using rectifier rods to provide even heat distribution

SUMITOMO ELECTRIC INDUSTRIES4 citations63
US5325450AJun 28, 1994

Optical fiber coupler and its manufacturing method

SUMITOMO ELECTRIC INDUSTRIES5 citations63
US5904883AMay 18, 1999

Method for producing optical fiber ribbon

SUMITOMO ELECTRIC INDUSTRIES6 citations62
US7822307B1Oct 26, 2010

Optical fiber ribbon for wiring of equipment and connector-attached optical fiber ribbon for wiring of equipment

SUMITOMO ELECTRIC INDUSTRIES2 citations60
US6471892B1Oct 29, 2002

Method of producing tape type optical fiber core wire

SUMITOMO ELECTRIC INDUSTRIES0 citations48
US10451796B2Oct 22, 2019

Optical fiber and method for producing optical fiber

SUMITOMO ELECTRIC INDUSTRIES0 citations42

SAKABE ITARU

3 patents

KAKUTA TATSUYA

2 patents

TOSHIBA KK

1 patent

SASAKI TAKASHI

1 patent

SOHMA KAZUYUKI

1 patent