Chung-Kai Yeh

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Taipei Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Power supply system for green laser indicating pen
- Patent number 7,605,360
- Issue date Oct 20, 2009
- Chung-Kai Yeh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Mount for attaching laser aiming device to golf putter
- Patent number 6,905,419
- Issue date Jun 14, 2005
- Chung-Kai Yeh
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Laser aiming device on the shaft of a golf putter
- Patent number 6,602,145
- Issue date Aug 5, 2003
- Chung-Kai Yeh
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
POWER SUPPLY SYSTEM FOR GREEN LASER INDICATING PEN
- Publication number 20090134311
- Publication date May 28, 2009
- Chung-Kai Yeh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Laser collimator for calibrating collimation of laser beams of a go...
- Publication number 20060046863
- Publication date Mar 2, 2006
- Chung-Kai Yeh
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Circuit device dedicated in remote control switch
- Publication number 20050025480
- Publication date Feb 3, 2005
- Chung-Kai Yeh
- H01 - BASIC ELECTRIC ELEMENTS