Category:Chun-I Chang

Chun-I Chang

Executive Summary

Chun-I Chang is an inventor who has filed 3 patents. Their primary areas of innovation include LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS (generating mechanical vibrations in general (2 patents), at the periphery (2 patents), {for diaphragms or their outer suspension} (2 patents), and they have worked with companies such as xMEMS Labs, Inc. (3 patents). Their most frequent collaborators include (3 collaborations), (3 collaborations), (2 collaborations).

Patent Filing Activity

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Technology Areas

List of Technology Areas

• H04R7/06 (LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS (generating mechanical vibrations in general): 2 patents
• H04R7/18 (at the periphery): 2 patents
• H04R31/003 ({for diaphragms or their outer suspension}): 2 patents
• B81C1/00158 (Manufacture or treatment of devices or systems in or on a substrate (): 2 patents
• B81B2203/01 (MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES (piezoelectric, electrostrictive or magnetostrictive elements per se): 2 patents
• B81B2203/0307 (MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES (piezoelectric, electrostrictive or magnetostrictive elements per se): 2 patents
• B81C2203/051 (PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS (making microcapsules or microballoons): 2 patents
• B81B3/0021 (Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes (): 1 patents
• B81B3/0051 (Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes (): 1 patents
• B81B3/0072 (Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes (): 1 patents
• H04R31/00 (Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor {(manufacture of microstructural arrangements of deformable or non-deformable structures in general): 1 patents
• B81B2201/0257 (MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES (piezoelectric, electrostrictive or magnetostrictive elements per se): 1 patents
• B81B2203/0127 (MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES (piezoelectric, electrostrictive or magnetostrictive elements per se): 1 patents
• B81B2203/0163 (MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES (piezoelectric, electrostrictive or magnetostrictive elements per se): 1 patents
• B81B2207/03 (MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES (piezoelectric, electrostrictive or magnetostrictive elements per se): 1 patents

Companies

List of Companies

• xMEMS Labs, Inc.: 3 patents

Collaborators

• Wen-Chien Chen (3 collaborations)
• Chiung C. Lo of San Jose CA (US) (3 collaborations)
• Hao-Hsin Chang (2 collaborations)
• Kuan-Ju Tseng (1 collaborations)
• Jemm Yue Liang of Sunnyvale CA (US) (1 collaborations)
• Martin George Lim of Hillsborough CA (US) (1 collaborations)
• Chao-Yu Chen (1 collaborations)
• Hai-Hung Wen (1 collaborations)