Ho CHING

Person

Kowloon, HK

People

Patents Grantslast 30 patents

Information Patent Grant
Silicon hairspring
- Patent number 9,903,049
- Issue date Feb 27, 2018
- Master Dynamic Limited
- Ho Ching
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method of marking material and system therefore, and material marke...
- Patent number 9,901,895
- Issue date Feb 27, 2018
- Chow Tai Fook Jewellery Company
- Koon Chung Hui
- C30 - CRYSTAL GROWTH
Information Patent Grant
Hairspring for a time piece and hairspring design for concentricity
- Patent number 9,658,598
- Issue date May 23, 2017
- MASTER DYNAMIC LIMITED
- Ho Ching
- G04 - HOROLOGY
Information Patent Grant
Silicon overcoil balance spring
- Patent number 9,411,312
- Issue date Aug 9, 2016
- Master Dynamic Limited
- Ying Nan Wang
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Stress-relief elastic structure of hairspring collet
- Patent number 8,882,341
- Issue date Nov 11, 2014
- Master Dynamic Limited
- Siu Kay Chu
- G04 - HOROLOGY
Information Patent Grant
Oscillator system
- Patent number 8,770,828
- Issue date Jul 8, 2014
- MicroTechne Research & Development Center Ltd.
- Ho Ching
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MARKING MATERIAL AND SYSTEM THEREFORE, AND MATERIAL MARKE...
- Publication number 20180193814
- Publication date Jul 12, 2018
- Chow Tai Fook Jewellery Company Limited
- Koon Chung HUI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
SILICON HAIRSPRING
- Publication number 20160238994
- Publication date Aug 18, 2016
- Master Dynamic Limited
- Ho CHING
- C30 - CRYSTAL GROWTH
Information Patent Application
METHOD OF PROVIDING MARKINGS TO PRECIOUS STONES INCLUDING GEMSTONES...
- Publication number 20150101365
- Publication date Apr 16, 2015
- Master Dynamic Limited
- Koon Chung HUI
- G02 - OPTICS
Information Patent Application
SILICON OVERCOIL BALANCE SPRING
- Publication number 20150029828
- Publication date Jan 29, 2015
- Master Dynamic Limited
- Ying Nan WANG
- G04 - HOROLOGY
Information Patent Application
METHOD OF MARKING MATERIAL AND SYSTEM THEREFORE, AND MATERIAL MARKE...
- Publication number 20140356577
- Publication date Dec 4, 2014
- Koon Chung HUI
- C30 - CRYSTAL GROWTH
Information Patent Application
STRESS-RELIEF ELASTIC STRUCTURE OF HAIRSPRING COLLET
- Publication number 20140198627
- Publication date Jul 17, 2014
- Master Dynamic Limited
- Siu Kay CHU
- G04 - HOROLOGY
Information Patent Application
HAIRSPRING FOR A TIME PIECE AND HAIRSPRING DESIGN FOR CONCENTRICITY
- Publication number 20140022873
- Publication date Jan 23, 2014
- Master Dynamic Limited
- Ho CHING
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
OSCILLATOR SYSTEM
- Publication number 20110222377
- Publication date Sep 15, 2011
- Ho CHING
- G04 - HOROLOGY

Person

Patents Grantslast 30 patents

Silicon hairspring

Method of marking material and system therefore, and material marke...

Hairspring for a time piece and hairspring design for concentricity

Silicon overcoil balance spring

Stress-relief elastic structure of hairspring collet

Oscillator system

Patents Applicationslast 30 patents

METHOD OF MARKING MATERIAL AND SYSTEM THEREFORE, AND MATERIAL MARKE...

SILICON HAIRSPRING

METHOD OF PROVIDING MARKINGS TO PRECIOUS STONES INCLUDING GEMSTONES...

SILICON OVERCOIL BALANCE SPRING

METHOD OF MARKING MATERIAL AND SYSTEM THEREFORE, AND MATERIAL MARKE...

STRESS-RELIEF ELASTIC STRUCTURE OF HAIRSPRING COLLET

HAIRSPRING FOR A TIME PIECE AND HAIRSPRING DESIGN FOR CONCENTRICITY

OSCILLATOR SYSTEM