Inventor · disambiguated record
Qiulin Ma
Also filed as: MA QIULIN
10 granted patents·3 pending applications·3 citations·filing 2014–2023
78Inventor score
Top patents by PatentIndex Score
13 records- 0178US11405107B2Upward collapse process and apparatus for making glass preformsHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2017·Granted Aug 2, 2022·1 cites·7 claims
- 0271US11840472B2Elongation method and preform for producing an optical glass componentHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2021·Granted Dec 12, 2023·0 cites·14 claims
- 0366US12503386B2Inductive furnace with rotating susceptor for high precision waveguide glass drawHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2022·Granted Dec 23, 2025·0 cites·20 claims
- 0465US10388028B2Apparatus and method for measurement of transparent cylindrical articlesHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2014·Granted Aug 20, 2019·2 cites·22 claims
- 0562US2025340477A1Reduction of multi-core fiber preform geometric distortionHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2023·Application pending·0 cites
- 0661US11811453B2Upward collapse process and apparatus for making glass preformsHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2022·Granted Nov 7, 2023·0 cites·5 claims
- 0758US2024217860A1Process of making multi-core fiber preform by integrating core rods and cladding cylinderHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2022·Application pending·0 cites
- 0855US11649185B2Automated large outside diameter preform tipping process and resulting glass preformsHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2020·Granted May 16, 2023·0 cites·16 claims
- 0955US11618708B2Elongation method and preform for producing an optical glass componentHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2017·Granted Apr 4, 2023·0 cites·8 claims
- 1053US12180106B2Methods 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
- 1149US11454580B2Method for preform or tube drawing based on its viscosityHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2014·Granted Sep 27, 2022·0 cites·17 claims
- 1249US10370283B2Method for forming a glass preformHERAEUS QUARTZ NORTH AMERICA LLC·Filed 2015·Granted Aug 6, 2019·0 cites·14 claims
- 1343US2017240455A1System and method for forming a quartz glass optical componentHERAEUS TENEVO LLC·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →