Kai CHANG

Person

Decatur, GA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Elongation method and preform for producing an optical glass component
- Patent number 11,840,472
- Issue date Dec 12, 2023
- HERAEUS QUARTZ NORTH AMERICA LLC
- Qiulin Ma
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Upward collapse process and apparatus for making glass preforms
- Patent number 11,811,453
- Issue date Nov 7, 2023
- HERAEUS QUARTZ NORTH AMERICA LLC
- Qiulin Ma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Automated large outside diameter preform tipping process and result...
- Patent number 11,649,185
- Issue date May 16, 2023
- HERAEUS QUARTZ NORTH AMERICA LLC
- Qiulin Ma
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Elongation method and preform for producing an optical glass component
- Patent number 11,618,708
- Issue date Apr 4, 2023
- HERAEUS QUARTZ NORTH AMERICA LLC
- Qiulin Ma
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for preform or tube drawing based on its viscosity
- Patent number 11,454,580
- Issue date Sep 27, 2022
- HERAEUS QUARTZ NORTH AMERICA LLC
- Georges Levon Fattal
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Upward collapse process and apparatus for making glass preforms
- Patent number 11,405,107
- Issue date Aug 2, 2022
- HERAEUS QUARTZ NORTH AMERICA LLC
- Qiulin Ma
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Formation of elongated glass components with low bow using a grippe...
- Patent number 10,590,022
- Issue date Mar 17, 2020
- HERAEUS QUARTZ NORTH AMERICA LLC
- Georges Levon Fattal
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for forming a glass preform
- Patent number 10,370,283
- Issue date Aug 6, 2019
- HERAEUS QUARTZ NORTH AMERICA LLC
- Jong-Won Lee
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
System and method for fabricating optical fiber preform and optical...
- Patent number 9,212,082
- Issue date Dec 15, 2015
- Heraeus Quarzglas GmbH & Co. KG
- Georges Levon Fattal
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
PROCESS OF MAKING MULTI-CORE FIBER PREFORM BY INTEGRATING CORE RODS...
- Publication number 20240217860
- Publication date Jul 4, 2024
- Heraeus Quartz North America LLC
- Qiulin MA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
INDUCTIVE FURNACE WITH ROTATING SUSCEPTOR FOR HIGH PRECISION WAVEGU...
- Publication number 20230192526
- Publication date Jun 22, 2023
- Heraeus Quartz North America LLC
- Qiulin MA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
UPWARD COLLAPSE PROCESS AND APPARATUS FOR MAKING GLASS PREFORMS
- Publication number 20220286204
- Publication date Sep 8, 2022
- Heraeus Quartz North America LLC
- Qiulin Ma
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHODS FOR PRODUCING A HOLLOW-CORE FIBER AND FOR PRODUCING A PREFO...
- Publication number 20220227656
- Publication date Jul 21, 2022
- Heraeus Quarzglas GmbH & Co. KG
- Manuel Rosenberger
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
ELONGATION METHOD AND PREFORM FOR PRODUCING AN OPTICAL GLASS COMPONENT
- Publication number 20210130221
- Publication date May 6, 2021
- Heraeus Quartz North America LLC
- Qiulin Ma
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
AUTOMATED LARGE OUTSIDE DIAMETER PREFORM TIPPING PROCESS AND RESULT...
- Publication number 20200223737
- Publication date Jul 16, 2020
- Heraeus Quartz North America LLC
- Qiulin Ma
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
UPWARD COLLAPSE PROCESS AND APPARATUS FOR MAKING GLASS PREFORMS
- Publication number 20180145752
- Publication date May 24, 2018
- HERAEUS TENEVO LLC
- Qiulin MA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FORMATION OF ELONGATED GLASS COMPONENTS WITH LOW BOW USING A GRIPPE...
- Publication number 20180002215
- Publication date Jan 4, 2018
- HERAEUS TENEVO LLC
- Georges Levon FATTAL
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR FORMING A GLASS PREFORM
- Publication number 20170362113
- Publication date Dec 21, 2017
- HERAEUS TENEVO LLC
- Jong-Won Lee
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
ELONGATION METHOD AND PREFORM FOR PRODUCING AN OPTICAL GLASS COMPONENT
- Publication number 20170320768
- Publication date Nov 9, 2017
- HERAEUS TENEVO LLC
- Qiulin MA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
APPARATUS AND METHOD FOR PREFORM OR TUBE DRAWING BASED ON ITS VISCO...
- Publication number 20170254733
- Publication date Sep 7, 2017
- HERAEUS TENEVO LLC
- Georges Levon FATTAL
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR FORMING A QUARTZ GLASS OPTICAL COMPONENT
- Publication number 20170240455
- Publication date Aug 24, 2017
- HERAEUS TENEVO LLC
- Kai CHANG
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
SYSTEM AND METHOD FOR FABRICATING OPTICAL FIBER PREFORM AND OPTICAL...
- Publication number 20140174134
- Publication date Jun 26, 2014
- HERAEUS TENEVO LLC
- Georges Levon FATTAL
- C03 - GLASS MINERAL OR SLAG WOOL

Person

Patents Grantslast 30 patents

Elongation method and preform for producing an optical glass component

Upward collapse process and apparatus for making glass preforms

Automated large outside diameter preform tipping process and result...

Elongation method and preform for producing an optical glass component

Method for preform or tube drawing based on its viscosity

Upward collapse process and apparatus for making glass preforms

Formation of elongated glass components with low bow using a grippe...

Method for forming a glass preform

System and method for fabricating optical fiber preform and optical...

Patents Applicationslast 30 patents

PROCESS OF MAKING MULTI-CORE FIBER PREFORM BY INTEGRATING CORE RODS...

INDUCTIVE FURNACE WITH ROTATING SUSCEPTOR FOR HIGH PRECISION WAVEGU...

UPWARD COLLAPSE PROCESS AND APPARATUS FOR MAKING GLASS PREFORMS

METHODS FOR PRODUCING A HOLLOW-CORE FIBER AND FOR PRODUCING A PREFO...

ELONGATION METHOD AND PREFORM FOR PRODUCING AN OPTICAL GLASS COMPONENT

AUTOMATED LARGE OUTSIDE DIAMETER PREFORM TIPPING PROCESS AND RESULT...

UPWARD COLLAPSE PROCESS AND APPARATUS FOR MAKING GLASS PREFORMS

FORMATION OF ELONGATED GLASS COMPONENTS WITH LOW BOW USING A GRIPPE...

METHOD FOR FORMING A GLASS PREFORM

ELONGATION METHOD AND PREFORM FOR PRODUCING AN OPTICAL GLASS COMPONENT

APPARATUS AND METHOD FOR PREFORM OR TUBE DRAWING BASED ON ITS VISCO...

SYSTEM AND METHOD FOR FORMING A QUARTZ GLASS OPTICAL COMPONENT

SYSTEM AND METHOD FOR FABRICATING OPTICAL FIBER PREFORM AND OPTICAL...