Yi Cheng LI

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Taichung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Extendable and retractable wrench
- Patent number 11,224,962
- Issue date Jan 18, 2022
- Yi-Cheng Li
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Toolbox-locking apparatuus
- Patent number 10,697,215
- Issue date Jun 30, 2020
- Yi-Min Li
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Drive tool device having connectable arms
- Patent number 9,278,445
- Issue date Mar 8, 2016
- Yi Cheng Li
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Vibration reducing device for bicycles
- Patent number 6,427,988
- Issue date Aug 6, 2002
- Gigga Corp.
- Yi-Ten Li
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
EXTENDABLE AND RETRACTABLE WRENCH
- Publication number 20210046633
- Publication date Feb 18, 2021
- Yi-Cheng LI
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
TOOLBOX-LOCKING APPARATUUS
- Publication number 20190048631
- Publication date Feb 14, 2019
- Yi-Min Li
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
MULTI-PURPOSE WRENCH TOOL
- Publication number 20170113339
- Publication date Apr 27, 2017
- Yi Cheng LI
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
DRIVING TOOL COMBINATION
- Publication number 20150101461
- Publication date Apr 16, 2015
- Yi Cheng LI
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
DRIVE TOOL DEVICE HAVING CONNECTABLE ARMS
- Publication number 20150000476
- Publication date Jan 1, 2015
- Yi Cheng LI
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Drive tool device having two or more drives
- Publication number 20130145908
- Publication date Jun 13, 2013
- Jun Chung Lee
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS