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HU YUFENG

Overview
  • Total Patents
    15
About

HU YUFENG has a total of 15 patent applications. Its first patent ever was published in 2005. It filed its patents most often in United States, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets audio-visual technology, electrical machinery and energy and machines are ATELIERS DE CONSTRUCTIONS ELECTRIQUES DE CHARLEROI SA, VIDEO CASSETTE LOCK LTD and ADVANCED RES CORP.

Patent filings in countries

World map showing HU YUFENGs patent filings in countries

Patent filings per year

Chart showing HU YUFENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hu Yufeng 15
#2 Tran Ut 4
#3 Li Jinshan 4
#4 Li Ruolin 3
#5 Yan Wentao 2
#6 Tanner Shawn M 1
#7 Wang Yugang 1
#8 Si Weidong 1
#9 Abatchev Mirzafer 1
#10 Wang Zhongyan 1

Latest patents

Publication Filing date Title
CN102840563A Lifting device without motor
CN102606968A No-motor lifting lamp
CN102418868A Universal swinging angle revolving light
CN102325417A Universal lifting type lighting power box
US8834728B1 Method and system for providing an energy assisted magnetic recording writer having a self aligned heat sink and NFT
US8670295B1 Method and system for optically coupling a laser with a transducer in an energy assisted magnetic recording disk drive
US8456963B1 Method and system for an energy assisted magnetic recording head having a suspension-mounted laser
US8279719B1 Method and system for coupling a laser with a slider in an energy assisted magnetic recording disk drive
US8077557B1 Multiple aperture VCSEL EAMR heads
US8077418B1 Reducing thermal protrusion of a near field transducer in an energy assisted magnetic recording head
US8259539B1 Integration of a vertical cavity surface emitting laser (VCSEL) on an energy-assisted magnetic recording (EAMR) head
US2007039641A1 Cobalt oxide thermoelectric compositions and uses thereof