Learn more

GUAN LIJIE

Overview
  • Total Patents
    13
About

GUAN LIJIE has a total of 13 patent applications. Its first patent ever was published in 2000. It filed its patents most often in United States and China. Its main competitors in its focus markets audio-visual technology, machines and basic communication technologies are MAIWORM & DR BOSIEN GRUNDSTUEC, MUNTZ STEREO PAK INC and BOGEN GMBH W.

Patent filings in countries

World map showing GUAN LIJIEs patent filings in countries
# Country Total Patents
#1 United States 8
#2 China 5

Patent filings per year

Chart showing GUAN LIJIEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Guan Lijie 12
#2 Liu Fenglan 3
#3 Hou Yibing 3
#4 Jiang Ming 2
#5 Dovek Moris 2
#6 Li Yun-Fei 2
#7 Shi Changqing 2
#8 Hong Ying 1
#9 Smyth Joe 1
#10 Sasaki Yoshitaka 1

Latest patents

Publication Filing date Title
US2012314324A1 Non-uniform write gap perpendicular writer for shingle writing
US8444866B1 Method and system for providing a perpendicular magnetic recording pole with a multi-layer side gap
US8264798B1 Systems and methods for providing magnetic recording heads adapted for writing shingled tracks
US8257597B1 Double rie damascene process for nose length control
US2009268344A1 Graded bevel tapered write pole design for field enhancement
CN1363217A Herbicide for corn field
CN1348691A Composite prepn. of diniconazole and thiram
CN1348689A Composite herbicide of sulcotrione and amide compounds for corn field
CN1348693A Herbicide mixture prepn. of sulcotrione and nicoculsfuron fro corn field
CN1348687A Mixture prepn. of fluoroglycofen-ethyl and 2,4-D butylate