I-Ping Chang

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Taichung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Key cup adjustment device for a wind instrument
- Patent number 8,476,513
- Issue date Jul 2, 2013
- Reliance International Corp.
- Peter Ponzol
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Clarinet coupling structure
- Patent number 7,960,631
- Issue date Jun 14, 2011
- King Dee Musical Instrument Corp.
- I-Ping Chang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Octave-key transfer-bar protection device
- Patent number 7,705,226
- Issue date Apr 27, 2010
- King Dee Musical Instrument Corp.
- I-Ping Chang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electric guitar string tension adjustment structure
- Patent number 6,118,057
- Issue date Sep 12, 2000
- I-Ping Chang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Bridge and tremolo arm assembly for an electric guitar
- Patent number 5,939,653
- Issue date Aug 17, 1999
- I-Ping Chang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
KEY CUP ADJUSTMENT DEVICE FOR A WIND INSTRUMENT
- Publication number 20120167744
- Publication date Jul 5, 2012
- RELIANCE INTERNATIONAL CORP.
- Peter Ponzol
- G10 - MUSICAL INSTRUMENTS ACOUSTICS