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

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)