Inventor · disambiguated record
Katsuya Nagayama
Also filed as: NAGAYAMA KATSUYA
24 granted patents·7 pending applications·297 citations·filing 1991–2005
96Inventor score
Top patents by PatentIndex Score
31 records- 0189US6928840B1Optical fiber producing methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Aug 16, 2005·18 cites·2 claims
- 0287US6810692B2Method of controlling an upper portion of an optical fiber draw furnaceSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Nov 2, 2004·14 cites·2 claims
- 0387US5637130AMethod and furnace for drawing optical fibersSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Jun 10, 1997·40 cites·11 claims
- 0481US6400878B1Optical fiber and method of making the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Jun 4, 2002·12 cites·14 claims
- 0579US6681072B2Optical fiber, method of making optical fiber preform, and method of making optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Jan 20, 2004·9 cites·10 claims
- 0677US5441215ASlitted winding wheel for optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Aug 15, 1995·17 cites·8 claims
- 0776US5322228AMethod for screening optical fiber and apparatus for carrying out methodSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jun 21, 1994·34 cites·16 claims
- 0875US6851282B2Apparatus and method for making optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Feb 8, 2005·9 cites·7 claims
- 0972US6735983B1Optical fiber drawing method and drawing furnaceSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted May 18, 2004·21 cites·7 claims
- 1072US5472128AMethod and apparatus for sucking an optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Dec 5, 1995·14 cites·11 claims
- 1170US6567597B2Optical fiber, method of making the same, and optical transmission system including the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted May 20, 2003·5 cites·29 claims
- 1270US6519404B1Method and apparatus for fabricating coated optical fiber, and coated optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Feb 11, 2003·14 cites·9 claims
- 1367US6935139B2Method of manufacturing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Aug 30, 2005·4 cites·2 claims
- 1467US6907757B2Drawing method of optical fiber and drawing furnaceSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Jun 21, 2005·4 cites·4 claims
- 1566US5281247AMethod for producing hermetic coated optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jan 25, 1994·22 cites·3 claims
- 1665US6502428B1Manufacturing method of an optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jan 7, 2003·9 cites·2 claims
- 1764US6892019B2Optical fiber, method of making optical fiber preform, and method of making optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted May 10, 2005·3 cites·7 claims
- 1859US6473548B2Multiple fiber optical cable and method of manufacturing multiple fiber optical cableSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Oct 29, 2002·6 cites·4 claims
- 1950US6668592B1Optical fiber drawing furnace having adjustable partitionsSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Dec 30, 2003·9 cites·4 claims
- 2048US2006101861A1Optical fiber making apparatus and methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Application pending·0 cites
- 2146US2005259932A1Optical fiber and a method for manufacturing sameNAGAYAMA KATSUYA·Filed 2003·Application pending·0 cites
- 2246US2004003628A1Optical fiber manufacturing method and apparatusFiled 2003·Application pending·0 cites
- 2343US2001003911A1Optical fiber making method and optical fiber making apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Application pending·0 cites
- 2441US5194080AApparatus for producing hermetic coated optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Mar 16, 1993·7 cites·6 claims
- 2540US5046235AMethod of and apparatus for assembling a transformer coreHITACHI LTD·Filed 1991·Granted Sep 10, 1991·11 cites·11 claims
- 2639US6399158B1Method and apparatus for curing ultraviolet-curing resinSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Jun 4, 2002·5 cites·6 claims
- 2738US5352261AApparatus for the production of hermetically coated optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Oct 4, 1994·6 cites·9 claims
- 2838US2003010066A1Method and apparatus for manufacturing optical fiberFiled 2001·Application pending·0 cites
- 2936US2001010162A1Method of making optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Application pending·0 cites
- 3032US5348564AMethod for manufacturing a hermetically coated optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Sep 20, 1994·4 cites·11 claims
- 3132US2004028372A1Method of measuring characteristics of optical fiber and method of rewinding optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Application pending·0 cites
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