Inventor
CHANG KAI HUEI
US11 patents
⚠️ This page may combine multiple inventors who share the name “CHANG KAI HUEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HERAEUS QUARTZ NORTH AMERICA LLC
9 patentsUS10590022B2Mar 17, 2020
Formation of elongated glass components with low bow using a gripper device
HERAEUS QUARTZ NORTH AMERICA LLC2 citations68
US11840472B2Dec 12, 2023
Elongation method and preform for producing an optical glass component
HERAEUS QUARTZ NORTH AMERICA LLC0 citations58
US11618708B2Apr 4, 2023
Elongation method and preform for producing an optical glass component
HERAEUS QUARTZ NORTH AMERICA LLC0 citations58
US11811453B2Nov 7, 2023
Upward collapse process and apparatus for making glass preforms
HERAEUS QUARTZ NORTH AMERICA LLC0 citations56
US11454580B2Sep 27, 2022
Method for preform or tube drawing based on its viscosity
HERAEUS QUARTZ NORTH AMERICA LLC0 citations56
US11405107B2Aug 2, 2022
Upward collapse process and apparatus for making glass preforms
HERAEUS QUARTZ NORTH AMERICA LLC1 citations56
US10370283B2Aug 6, 2019
Method for forming a glass preform
HERAEUS QUARTZ NORTH AMERICA LLC0 citations50
US12503386B2Dec 23, 2025
Inductive furnace with rotating susceptor for high precision waveguide glass draw
HERAEUS QUARTZ NORTH AMERICA LLC0 citations48
US11649185B2May 16, 2023
Automated large outside diameter preform tipping process and resulting glass preforms
HERAEUS QUARTZ NORTH AMERICA LLC0 citations48