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HEI INC

Overview
  • Total Patents
    46
About

HEI INC has a total of 46 patent applications. Its first patent ever was published in 1977. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets semiconductors, audio-visual technology and computer technology are WAVENICS INC, DAWNING LEADING TECHNOLOGY INC and PHOENIX PIONEER TECHNOLOGY CO LTD.

Patent filings per year

Chart showing HEI INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Huang Guanghua 16
#2 Chandler Parker 6
#3 Robertson David K 4
#4 Paczkowski Theodore T 4
#5 Kazle Scott J 4
#6 Zirbes Glen 3
#7 Wambeke Gregory 3
#8 Huang River Guanghua 3
#9 Guanghua Huang 3
#10 Shoquist William A 2

Latest patents

Publication Filing date Title
US2005189139A1 Flexible circuit having an integrally formed battery
US2003141589A1 Encapsulated high-frequency electrical circuit
WO03050834A1 Low voltage mem switch
WO0213135A2 Structures and assembly methods for radio-frequency-identification modules
US6674869B2 Hearing-aid assembly using folded flex circuits
US6798223B2 Test methods, systems, and probes for high-frequency wireless-communications devices
US6646521B1 Connection for conducting high frequency signal between a circuit and a discrete electric component
US6294966B1 Interconnection device
US6014320A High density stacked circuit module
US5936847A Low profile electronic circuit modules
US5847930A Edge terminals for electronic circuit modules
JPS62231392A Document reader
JPS62232090A Photoelectric conversion assembly
CA1245765A Document reading apparatus
CA1256547A Photo-optic transducing head assembly
US4677428A Cordless light pen
US4587421A Photo-optic transducing head assembly
US4603261A Document reading apparatus
US4550250A Cordless digital graphics input device
US4578569A Multi-width card reader with cancellation feature