Kun-Chih Hung

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Ta-Li City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Precision screwdriver
- Patent number 6,145,995
- Issue date Nov 14, 2000
- Kun-Chih Hung
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Screwdriver
- Patent number D421887
- Issue date Mar 28, 2000
- Sopa International Co., Ltd.
- Kun-Chih Hung
- D08 - Tools and hardware
Information Patent Grant
Handle of a screwdriver
- Patent number D396622
- Issue date Aug 4, 1998
- Sopa International Co., Ltd.
- Kun-Chih Hung
- D08 - Tools and hardware

Patents Applicationslast 30 patents

Information Patent Application
MODULAR DRIVER FOR ILLUMINATION AND HAVING DRIVER HEAD CARTRIDGE
- Publication number 20110216528
- Publication date Sep 8, 2011
- Kun-Chih Hung
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Screw Driver With A Variable Handle
- Publication number 20100116104
- Publication date May 13, 2010
- Kun-Chih Hung
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Auxiliary connector of ratchet wrench
- Publication number 20050284269
- Publication date Dec 29, 2005
- Kun-Chih Hung
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Drive device for a spiral screwdriver
- Publication number 20040040423
- Publication date Mar 4, 2004
- Kun-Chih Hung
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Tool box
- Publication number 20030136692
- Publication date Jul 24, 2003
- Kun-Chih Hung
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS