Inventor · disambiguated record
Tetsuya Otosaka
Also filed as: OTOSAKA TETSUYA
34 granted patents·22 pending applications·30 citations·filing 2000–2023
94Inventor score
Top patents by PatentIndex Score
56 records- 0191US10501362B2Fabrication method and fabrication apparatus for porous glass base material for optical fiberSHINETSU CHEMICAL CO·Filed 2018·Granted Dec 10, 2019·2 cites·6 claims
- 0289US7752869B2Optical fiber preform, method for manufacturing thereof, and optical fiber obtained by drawing thereofSHINETSU CHEMICAL CO·Filed 2005·Granted Jul 13, 2010·9 cites·11 claims
- 0381US9862635B2Glass base material elongating method and glass base material elongating apparatusSHINETSU CHEMICAL CO·Filed 2016·Granted Jan 9, 2018·1 cites·8 claims
- 0481US8322165B2Apparatus for fabricating an optical fiberOTOSAKA TETSUYA·Filed 2008·Granted Dec 4, 2012·4 cites·7 claims
- 0580US12325657B2Wire-drawing optical fiber base material manufacturing method and manufacturing apparatusSHINETSU CHEMICAL CO·Filed 2022·Granted Jun 10, 2025·0 cites·11 claims
- 0680US9422185B2Apparatus for sintering a glass preform for an optical fiber and sintering method thereofSHINETSU CHEMICAL CO·Filed 2014·Granted Aug 23, 2016·3 cites·14 claims
- 0776US9683689B2Flange fixing structureSHINETSU CHEMICAL CO·Filed 2015·Granted Jun 20, 2017·2 cites·10 claims
- 0874US11370692B2Fabrication method and fabrication apparatus for porous glass base material for optical fiberSHINETSU CHEMICAL CO·Filed 2019·Granted Jun 28, 2022·0 cites·7 claims
- 0973US8702105B2Seal memberOTOSAKA TETSUYA·Filed 2010·Granted Apr 22, 2014·2 cites·11 claims
- 1069US2025140808A1Negative electrode active material, mixed negative electrode active material, and method for producing negative electrode active materialSHINETSU CHEMICAL CO·Filed 2023·Application pending·0 cites
- 1168US7082791B2Apparatus for fabricating soot preform for optical fiberSHINETSU CHEMICAL CO·Filed 2003·Granted Aug 1, 2006·4 cites·5 claims
- 1268US2025210654A1Negative electrode active material and method for producing negative electrode active materialSHINETSU CHEMICAL CO·Filed 2023·Application pending·0 cites
- 1367US8881552B2Apparatus for fabricating a glass rod and method of sameOTOSAKA TETSUYA·Filed 2011·Granted Nov 11, 2014·1 cites·16 claims
- 1466US11384006B2Wire-drawing optical fiber base material manufacturing method and manufacturing apparatusSHINETSU CHEMICAL CO·Filed 2018·Granted Jul 12, 2022·0 cites·8 claims
- 1561US9371246B2Glass base material elongating method and glass base material elongating apparatusSHINETSU CHEMICAL CO·Filed 2013·Granted Jun 21, 2016·0 cites·7 claims
- 1661US2024372106A1Negative electrode active material, negative electrode, and lithium-ion secondary batterySHINETSU CHEMICAL CO·Filed 2022·Application pending·0 cites
- 1761US2024274803A1Negative electrode active material, negative electrode, and lithium-ion secondary batterySHINETSU CHEMICAL CO·Filed 2022·Application pending·0 cites
- 1859US2010162769A1Method and apparatus for manufacturing optical fiber preform using high frequency induction thermal plasma torchSHINETSU CHEMICAL CO·Filed 2009·Application pending·0 cites
- 1958US2006191296A1Preform and method for manufacturing sameSHINETSU CHEMICAL CO·Filed 2006·Application pending·0 cites
- 2058US2010162768A1Method and apparatus for manufacturing optical fiber preform using high frequency induction thermal plasma torchSHINETSU CHEMICAL CO·Filed 2009·Application pending·0 cites
- 2156US11225431B2Method of sintering optical fiber porous glass base materialSHINETSU CHEMICAL CO·Filed 2019·Granted Jan 18, 2022·0 cites·7 claims
- 2256US7633608B2Measurement method of non-circularity of core optical fiber base material and apparatus thereforSHINETSU CHEMICAL CO·Filed 2005·Granted Dec 15, 2009·2 cites·23 claims
- 2355US9085482B2Glass base material elongating apparatusSHINETSU CHEMICAL CO·Filed 2013·Granted Jul 21, 2015·0 cites·6 claims
- 2454US10526236B2Burner for synthesizationSHINETSU CHEMICAL CO·Filed 2018·Granted Jan 7, 2020·0 cites·15 claims
- 2554US8813523B2Glass latheOTOSAKA TETSUYA·Filed 2012·Granted Aug 26, 2014·0 cites·9 claims
- 2654US2009025431A1Furnace for fabricating a glass preform or an optical fiberSHINETSU CHEMICAL CO·Filed 2008·Application pending·0 cites
- 2752US9751796B2Sintering apparatus and method for sinteringSHINETSU CHEMICAL CO·Filed 2016·Granted Sep 5, 2017·0 cites·9 claims
- 2852US9108877B2Glass base material elongation methodSHINETSU CHEMICAL CO·Filed 2013·Granted Aug 18, 2015·0 cites·9 claims
- 2952US2004028362A1Optical fiber preform, method for manufacturing thereof, and optical fiber obtained by drawing thereofSHINETSU CHEMICAL CO·Filed 2003·Application pending·0 cites
- 3051US11034608B2Method of forming conical shape on glass rod, and glass rodSHINETSU CHEMICAL CO·Filed 2015·Granted Jun 15, 2021·0 cites·4 claims
- 3151US2005147367A1Method for manufacturing base material for optical fiber, apparatus therefor, and base material manufactured by the sameFiled 2004·Application pending·0 cites
- 3251US2019112216A1Fabrication apparatus and fabrication method for porous glass base materialSHINETSU CHEMICAL CO·Filed 2018·Application pending·0 cites
- 3350US9624122B2Glass base material hanging mechanismSHINETSU CHEMICAL CO·Filed 2013·Granted Apr 18, 2017·0 cites·10 claims
- 3450US9440874B2Glass base material elongating method and glass base material elongating apparatusSHINETSU CHEMICAL CO·Filed 2013·Granted Sep 13, 2016·0 cites·5 claims
- 3550US7987686B2Manufacturing apparatus of porous glass base materialSHINETSU CHEMICAL CO·Filed 2005·Granted Aug 2, 2011·0 cites·14 claims
- 3650US2003221461A1Preform and method for manufacturing sameFiled 2003·Application pending·0 cites
- 3749US2008295541A1Method of manufacturing an optical fiber preform using a high frequency induction thermal plasmaSHINETSU CHEMICAL CO·Filed 2008·Application pending·0 cites
- 3848US10532944B2Soot deposition body manufacturing apparatus and manufacturing methodSHINETSU CHEMICAL CO·Filed 2017·Granted Jan 14, 2020·0 cites·13 claims
- 3948US10086441B2Gripping mechanismSHINETSU CHEMICAL CO·Filed 2016·Granted Oct 2, 2018·0 cites·5 claims
- 4048US2006179890A1Optical fiber processing apparatus an process methodSHINETSU CHEMICAL CO·Filed 2006·Application pending·0 cites
- 4147US2002043079A1Apparatus for fabricating soot preform for optical fiberFiled 2001·Application pending·0 cites
- 4247US2003221460A1Lower-loss base material for optical fibres and manufacturing method thereofSHINETSU CHEMICAL CO·Filed 2003·Application pending·0 cites
- 4344US10472270B2Porous glass base material sintering method and sintering apparatusSHINETSU CHEMICAL CO·Filed 2016·Granted Nov 12, 2019·0 cites·8 claims
- 4444US9688564B2Elongating method and apparatus for glass base materialOTOSAKA TETSUYA·Filed 2012·Granted Jun 27, 2017·0 cites·6 claims
- 4544US2002020193A1Method for manufacturing base material for optical fiber, apparatus therefor, and base material manufactured by the sameFiled 2000·Application pending·0 cites
- 4643US10616958B2Heating furnaceSHINETSU CHEMICAL CO·Filed 2017·Granted Apr 7, 2020·0 cites·8 claims
- 4743US10106451B2Glass rod machining method and machining apparatusSHINETSU CHEMICAL CO·Filed 2015·Granted Oct 23, 2018·0 cites·12 claims
- 4843US8820121B2Method of manufacturing optical fiber base materialOTOSAKA TETSUYA·Filed 2011·Granted Sep 2, 2014·0 cites·8 claims
- 4942US8904825B2Apparatus for fabricating a glass rod and method of sameOTOSAKA TETSUYA·Filed 2011·Granted Dec 9, 2014·0 cites·8 claims
- 5042US8707741B2Method of manufacturing optical fiber preform using plasma torchOTOSAKA TETSUYA·Filed 2010·Granted Apr 29, 2014·0 cites·10 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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