Inventor · disambiguated record
Tetsuya Haruna
Also filed as: HARUNA TETSUYA
35 granted patents·24 pending applications·112 citations·filing 2003–2025
96Inventor score
Top patents by PatentIndex Score
59 records- 0196US9097834B2Optical fiber and optical fiber preformHIRANO MASAAKI·Filed 2012·Granted Aug 4, 2015·21 cites·14 claims
- 0295US9512033B2Optical fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Dec 6, 2016·10 cites·8 claims
- 0393US9036972B2Optical fiber preform, method for producing optical fiber, and optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2012·Granted May 19, 2015·8 cites·21 claims
- 0489US10031285B2Multicore optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Jul 24, 2018·6 cites·8 claims
- 0588US8839646B2Method for producing optical fiber preformHARUNA TETSUYA·Filed 2012·Granted Sep 23, 2014·8 cites·7 claims
- 0687US9322990B2Optical fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Apr 26, 2016·3 cites·9 claims
- 0785US9932265B2Method of making an optical fiber containing an alkali metal in the coreSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Apr 3, 2018·2 cites·6 claims
- 0885US8731357B2Optical fiberHIRANO MASAAKI·Filed 2012·Granted May 20, 2014·7 cites·21 claims
- 0984US9335465B2Optical fiber and optical fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted May 10, 2016·5 cites·10 claims
- 1084US9139466B2Optical fiber preform, optical fiber, and method of manufacturing optical fiber preformHIRANO MASAAKI·Filed 2012·Granted Sep 22, 2015·8 cites·10 claims
- 1183US9575245B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Feb 21, 2017·4 cites·18 claims
- 1282US9527765B2Optical fiber manufacturing method and optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Dec 27, 2016·4 cites·4 claims
- 1379US9411095B2Optical-fiber preform and method for manufacturing optical-fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Aug 9, 2016·2 cites·9 claims
- 1477US9340444B2Optical fiber preform manufacturing method, optical fiber preform, and optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2012·Granted May 17, 2016·2 cites·8 claims
- 1576US7940815B2Fluorescent glass, optical waveguide, optical fiber, optical coherence tomography apparatus, and optical fiber laserSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Granted May 10, 2011·2 cites·10 claims
- 1674US10155687B2Optical fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Dec 18, 2018·1 cites·6 claims
- 1774US9588286B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Mar 7, 2017·4 cites·2 claims
- 1873US11345627B2Method of manufacturing optical fiber preform and optical fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted May 31, 2022·0 cites·5 claims
- 1973US7286740B2Optical fiber, optical transmission line, optical module and optical transmission systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Granted Oct 23, 2007·2 cites·27 claims
- 2072US7130513B2Glass-body-producing method and optical glass body and optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Granted Oct 31, 2006·2 cites·9 claims
- 2171US9910216B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Mar 6, 2018·1 cites·15 claims
- 2269US9229160B2Optical fiber preform, method for producing optical fiber, and optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Jan 5, 2016·1 cites·10 claims
- 2368US9817184B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Nov 14, 2017·1 cites·10 claims
- 2468US2025091932A1Silica glass body manufacturing method and heating deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2023·Application pending·0 cites
- 2567US7016582B2Polarized wave holding optical fiber, and method of producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Mar 21, 2006·5 cites·14 claims
- 2663US2017101334A1Method of manufacturing optical fiber preform and optical fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Application pending·0 cites
- 2758US7822307B1Optical fiber ribbon for wiring of equipment and connector-attached optical fiber ribbon for wiring of equipmentSUMITOMO ELECTRIC INDUSTRIES·Filed 2009·Granted Oct 26, 2010·2 cites·4 claims
- 2857US8381549B2Optical fiber preform fabricating methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Feb 26, 2013·0 cites·13 claims
- 2957US2025258333A1Multicore optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2025·Application pending·0 cites
- 3056US11667559B2Method for manufacturing optical fiber parent material, and method for manufacturing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Jun 6, 2023·0 cites·9 claims
- 3155US8909016B2Optical fiber and method of manufacturing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Dec 9, 2014·0 cites·8 claims
- 3255US2023339797A1Method for producing fluorine-containing silica glassSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Application pending·0 cites
- 3355US2023382780A1Method for manufacturing fluorine-containing silica glassSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Application pending·0 cites
- 3453US8023181B2Optical fiber for amplification and optical fiber amplifierSUMITOMO ELECTRIC INDUSTRIES·Filed 2008·Granted Sep 20, 2011·0 cites·4 claims
- 3553US7894697B2Optical fiber, optical transmission line, optical module, and optical transmission systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Feb 22, 2011·1 cites·16 claims
- 3649US8676014B2Optical fiber and method of manufacturing optical fiberNAKANISHI TETSUYA·Filed 2010·Granted Mar 18, 2014·0 cites·16 claims
- 3748US2009133445A1Method for manufacturing glass body and method for manufacturing optical fiberHARUNA TETSUYA·Filed 2006·Application pending·0 cites
- 3847US9199877B2Method for manufacturing optical fiber base material, and optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2012·Granted Dec 1, 2015·0 cites·8 claims
- 3947US2009180174A1Rare-earth-doped optical fiber, optical fiber amplifier, and method of manufacturing a preform for such fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2009·Application pending·0 cites
- 4047US2015027170A1Method for producing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2012·Application pending·0 cites
- 4146US8102596B2Optical fiber for amplificationHARUNA TETSUYA·Filed 2006·Granted Jan 24, 2012·0 cites·2 claims
- 4246US2013034654A1Method for making an optical fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 2012·Application pending·0 cites
- 4346US2015226914A1Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Application pending·0 cites
- 4445US7586673B2Optical gain waveguide and method of controlling the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Granted Sep 8, 2009·0 cites·22 claims
- 4545US7436583B2Optical amplification fiber, optical amplifier module, optical communication system and optical amplifying methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Oct 14, 2008·0 cites·24 claims
- 4645US2015260912A1Method for producing deuterium-treated optical fiber, and deuterium-treated optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Application pending·0 cites
- 4745US2014370287A1Method for producing optical fiber preform, optical fiber preform, and optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2012·Application pending·0 cites
- 4844US2004233514A1Fluorescent glass, optical amplification waveguide and optical amplification moduleFiled 2004·Application pending·0 cites
- 4944US2009078870A1Infrared imaging systemHARUNA TETSUYA·Filed 2007·Application pending·0 cites
- 5042US2005284182A1Manufacturing method of optical fiber and optical fiberTARU TOSHIKI·Filed 2005·Application pending·0 cites
Showing the top 50 of 59 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →