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CHEN JOHN

Overview
  • Total Patents
    16
About

CHEN JOHN has a total of 16 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets machine tools, semiconductors and medical technology are TSURUME TAKUYA, CHEN I MING and CTLAB CO LTD.

Patent filings in countries

World map showing CHEN JOHNs patent filings in countries
# Country Total Patents
#1 United States 12
#2 Australia 1
#3 Canada 1
#4 Germany 1
#5 United Kingdom 1

Patent filings per year

Chart showing CHEN JOHNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen John 16
#2 Bhalla Anup 4
#3 Yilmaz Hamza 4
#4 Chang Hong 3
#5 Li Wenjun 3
#6 Lee Il Kwan 3
#7 Tang Nie 1
#8 Kocur Gordon 1
#9 Miller Paul 1
#10 Yang Simon 1

Latest patents

Publication Filing date Title
US2011133258A1 Shielded gate trench MOSFET with increased source-metal contact
US2011147830A1 Method of forming a self-aligned charge balanced power DMOS
US2011039383A1 Shielded gate trench MOSFET device and fabrication
US2011037120A1 Shielded gate trench MOSFET device and fabrication
US2006207391A1 Hammer having enhanced strength
AU2004224896A1 An apparatus and method for recycling water
US2006070496A1 Hammer having enhanced strength
US2006037439A1 Hammer having vibration absorbing effect
GB9715693D0 A hand tool handle with shock absorbent airbag
CA2209885A1 A hand tool handle with shock absorbent airbag
US5058498A Structure of aluminum can crusher