Inventor · disambiguated record
Hiroo Kanamori
Also filed as: KANAMORI HIROO
66 granted patents·4 pending applications·1,957 citations·filing 1984–2019
99Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES66NIPPON TELEGRAPH & TELEPHONE1SHIMAKAWA OSAMU1SUMITOMO ELECTRIC INDUSTTRIES1TOKYO NIPPON TELEGRAPH PUBLIC1
Top patents by PatentIndex Score
70 records- 0196US5838867ADispersion compensating fiber and optical transmission system including the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Nov 17, 1998·172 cites·22 claims
- 0295US5581647AMethod of fabricating dispersion compensation fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Dec 3, 1996·75 cites·13 claims
- 0395US4822399AGlass preform for dispersion shifted single mode optical fiber and method for the production of the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1987·Granted Apr 18, 1989·63 cites·3 claims
- 0493US5555340AOptical transmission system with dispersion compensating optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Sep 10, 1996·105 cites·17 claims
- 0592US5320658AProcess of drawing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jun 14, 1994·54 cites·3 claims
- 0692US5306322AProcess for thermal treatment of glass fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Apr 26, 1994·44 cites·4 claims
- 0792US5259856AMethod of producing glass preform in furnace for heating glassSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Nov 9, 1993·55 cites·6 claims
- 0891US5740297ADispersion-compensating fiber and method of fabricating the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Apr 14, 1998·55 cites·26 claims
- 0991US5221309AMethod for producing glass preform for optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jun 22, 1993·49 cites·4 claims
- 1090US10107973B2Optical cross-connect componentSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Oct 23, 2018·6 cites·7 claims
- 1189US5384874AOptical fiber rod lens device and method of making sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Jan 24, 1995·89 cites·9 claims
- 1289US5381503AMode field diameter conversion fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Jan 10, 1995·86 cites·24 claims
- 1387US5217516AMethod of making optical glass articleSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Jun 8, 1993·39 cites·6 claims
- 1486US5586209AOptical branching deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Dec 17, 1996·68 cites·11 claims
- 1586US4668263AMethod for producing glass preform for optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1985·Granted May 26, 1987·62 cites·6 claims
- 1685US6771358B1Branch line monitoring system and branch line monitoring methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Aug 3, 2004·28 cites·15 claims
- 1783US5764826APD/LD module and PD moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Jun 9, 1998·57 cites·54 claims
- 1883US5385594AMethod for fabricating an optical waveguideSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jan 31, 1995·41 cites·11 claims
- 1983US4812155AMethod for production of glass preform for optical fibersNIPPON TELEGRAPH & TELEPHONE·Filed 1987·Granted Mar 14, 1989·29 cites·6 claims
- 2082US10025057B2Optical cross-connect componentSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Jul 17, 2018·3 cites·18 claims
- 2182USRE38086EDispersion compensating fiber and optical transmission system including the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Apr 22, 2003·22 cites·51 claims
- 2282US4675040AMethod for producing glass preform for single mode optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1985·Granted Jun 23, 1987·28 cites·7 claims
- 2381US4627867AMethod for producing highly pure glass preform for optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1985·Granted Dec 9, 1986·28 cites·1 claims
- 2480US5556442AMethod for fabricating an optical waveguideSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Sep 17, 1996·45 cites·7 claims
- 2580US5055121AMethod for producing glass preform for optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Oct 8, 1991·31 cites·2 claims
- 2680US4793842AMethod for producing glass preform for optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1987·Granted Dec 27, 1988·27 cites·5 claims
- 2779US10302877B2Optical cross-connect componentSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted May 28, 2019·2 cites·12 claims
- 2879US4737179AMethod for producing glass preform for optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1986·Granted Apr 12, 1988·39 cites·4 claims
- 2976US4979971AMethod for producing glass preform for optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Dec 25, 1990·42 cites·4 claims
- 3075US4627866AMethod for producing optical fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 1984·Granted Dec 9, 1986·30 cites·5 claims
- 3174US5742723AOptical transmission system with dispersion compensating optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Apr 21, 1998·42 cites·6 claims
- 3274US5368887AProcess for producing thin glass film by sol-gel methodSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Nov 29, 1994·32 cites·10 claims
- 3371US5627928AOptical branching deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted May 6, 1997·34 cites·17 claims
- 3470US4915717AMethod of fabricating optical fiber preformsTOKYO NIPPON TELEGRAPH PUBLIC·Filed 1984·Granted Apr 10, 1990·20 cites·8 claims
- 3569US5438640AOptical waveguide device for receiving functional componentSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Aug 1, 1995·32 cites·18 claims
- 3668US5032079AFurnace for producing high purity quartz glass preformSUMITOMO ELECTRIC INDUSTRIES·Filed 1989·Granted Jul 16, 1991·17 cites·7 claims
- 3766US5551966AOptical waveguide and method of fabricating the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Sep 3, 1996·28 cites·6 claims
- 3863US5660611AMethod for producing glass thin filmSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Aug 26, 1997·15 cites·8 claims
- 3962US5244846AOptical functioning glass and apparatus using the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Sep 14, 1993·16 cites·6 claims
- 4062US4846867AMethod for producing glass preform for optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1988·Granted Jul 11, 1989·21 cites·4 claims
- 4161US5106401AProcess for thermal treatment of glass fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Apr 21, 1992·18 cites·8 claims
- 4260US5446820AMode field diameter conversion optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Aug 29, 1995·21 cites·12 claims
- 4356US6144784AOptical input/output module and light-reflecting deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Nov 7, 2000·19 cites·17 claims
- 4455US4880452AMethod for producing glass preform for optical fiber containing fluorine in claddingSUMITOMO ELECTRIC INDUSTRIES·Filed 1988·Granted Nov 14, 1989·16 cites·2 claims
- 4554US5022904AMethod of making optical glass articleSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Jun 11, 1991·16 cites·3 claims
- 4653US5243677AQuartz optical waveguide and method for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Sep 7, 1993·16 cites·3 claims
- 4752US5238479AMethod for producing porous glass preform for optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Aug 24, 1993·11 cites·3 claims
- 4852US5193137AQuartz optical waveguide and method for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Mar 9, 1993·13 cites·6 claims
- 4950US2019317380A1Optical device, method for manufacturing optical device, and wavelength conversion methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Application pending·0 cites
- 5048US5224185AOptical switchSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jun 29, 1993·13 cites·4 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →