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XIAMEN HONGFA ELECTROACOUSTIC

Overview
  • Total Patents
    45
  • GoodIP Patent Rank
    189,194
About

XIAMEN HONGFA ELECTROACOUSTIC has a total of 45 patent applications. Its first patent ever was published in 2002. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets electrical machinery and energy and semiconductors are BAIRONG ELECTRON CO LTD, SAN ARROW KK and ALSTHOM T & D SA.

Patent filings in countries

World map showing XIAMEN HONGFA ELECTROACOUSTICs patent filings in countries

Patent filings per year

Chart showing XIAMEN HONGFA ELECTROACOUSTICs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Tan Zhonghua 22
#2 Liu Jinqiang 12
#3 Cai Wenzhi 10
#4 Zhang Renyi 5
#5 Zhu Yiqing 4
#6 Wang Qiya 4
#7 Cao Hongjiang 4
#8 Zhong Shuming 4
#9 Wang Junqing 3
#10 Chen Zhenghe 2

Latest patents

Publication Filing date Title
CN105097360A Electromagnetic circuit system and electromagnetic relay
CN104952669A High-voltage direct-current relay
CN104851748A Moving reed of large-power electromagnetic relay, and manufacturing method thereof
WO2015021847A1 Magnetic latching relay of parallel type magnetic circuit
CN104157515A Coil soldering lug and double-coil relay as well as assembly method of coil soldering lug and double-coil relay
CN104064404A Electromagnetic relay coil support and manufacture method thereof
CN103489717A Clapper-type double-magnetic circuit magnetic latching relay
CN103426688A Coil frame of double coiled relay
CN103426690A Magnetic latching relay with parallel magnetic circuit
CN103426687A Clapper-type electromagnetic relay
CN103367046A Small-size magnetic latching power relay
CN103367040A Pin-out structure of relay convenient for installation of complete machine
CN102983042A Electromagnetic relay capable of reducing foreign matter contamination
CN103050339A Electromagnetic relay with armature part convenient to insert
CN103715025A Non-counterforce electromagnetic relay
CN103715026A Electromagnetic relay with contacts bias placed
CN103515151A Combined relay with current transformer
CN102426989A Fall-resisting electromagnetic relay
CN102208305A Magnetic circuit structure of polarized relay
CN101950711A Electromagnetic relay