Inventor · disambiguated record
Kai Huei Chang
Also filed as: CHANG KAI · CHANG KAI H · CHANG KAI HUEI
15 granted patents·4 pending applications·124 citations·filing 1997–2023
88Inventor score
Files withHERAEUS QUARTZ NORTH AMERICA LLC11FITEL USA CORP3HERAEUS QUARZGLAS2HERAEUS TENEVO LLC1LUCENT TECHNOLOGIES INC1
Top patents by PatentIndex Score
19 records- 0195US6131415AMethod of making a fiber having low loss at 1385 nm by cladding a VAD preform with a D/d<7.5LUCENT TECHNOLOGIES INC·Filed 1997·Granted Oct 17, 2000·109 cites·9 claims
- 0281US10590022B2Formation of elongated glass components with low bow using a gripper deviceHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2015·Granted Mar 17, 2020·2 cites·6 claims
- 0378US11405107B2Upward collapse process and apparatus for making glass preformsHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2017·Granted Aug 2, 2022·1 cites·7 claims
- 0471US11840472B2Elongation method and preform for producing an optical glass componentHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2021·Granted Dec 12, 2023·0 cites·14 claims
- 0566US12503386B2Inductive furnace with rotating susceptor for high precision waveguide glass drawHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2022·Granted Dec 23, 2025·0 cites·20 claims
- 0665US9212082B2System and method for fabricating optical fiber preform and optical fiberHERAEUS QUARZGLAS·Filed 2012·Granted Dec 15, 2015·1 cites·25 claims
- 0765US6776012B2Method of making an optical fiber using preform dehydration in an environment of chlorine-containing gas, fluorine-containing gases and carbon monoxideFITEL USA CORP·Filed 2001·Granted Aug 17, 2004·9 cites·17 claims
- 0862US2025340477A1Reduction of multi-core fiber preform geometric distortionHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2023·Application pending·0 cites
- 0961US11811453B2Upward collapse process and apparatus for making glass preformsHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2022·Granted Nov 7, 2023·0 cites·5 claims
- 1058US2024217860A1Process of making multi-core fiber preform by integrating core rods and cladding cylinderHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2022·Application pending·0 cites
- 1156US6865327B2Method of making optical fiber with reduced E-band and L-band loss peaksFITEL USA CORP·Filed 2002·Granted Mar 8, 2005·2 cites·14 claims
- 1255US11649185B2Automated large outside diameter preform tipping process and resulting glass preformsHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2020·Granted May 16, 2023·0 cites·16 claims
- 1355US11618708B2Elongation method and preform for producing an optical glass componentHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2017·Granted Apr 4, 2023·0 cites·8 claims
- 1453US12180106B2Methods for producing a hollow-core fiber and for producing a preform for a hollow-core fiberHERAEUS QUARZGLAS·Filed 2020·Granted Dec 31, 2024·0 cites·13 claims
- 1549US11454580B2Method for preform or tube drawing based on its viscosityHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2014·Granted Sep 27, 2022·0 cites·17 claims
- 1649US10370283B2Method for forming a glass preformHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2015·Granted Aug 6, 2019·0 cites·14 claims
- 1743US2017240455A1System and method for forming a quartz glass optical componentHERAEUS TENEVO LLC·Filed 2014·Application pending·0 cites
- 1842US7546750B2Method for fabricating optical fiber using deuterium exposureFITEL USA CORP·Filed 2003·Granted Jun 16, 2009·0 cites·9 claims
- 1937US2002197005A1Method and apparatus for fabricating optical fiber using adjustment of oxygen stoichiometryFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →