Learn more

LIU BENJAMIN Y H

Overview
  • Total Patents
    12
About

LIU BENJAMIN Y H has a total of 12 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets surface technology and coating, machines and chemical engineering are METALLIZING ENGINEERING CO, METALLISATION LTD and KURASHIKI BORING KIKO CO LTD.

Patent filings in countries

World map showing LIU BENJAMIN Y Hs patent filings in countries
# Country Total Patents
#1 United States 9
#2 WIPO (World Intellectual Property Organization) 3

Patent filings per year

Chart showing LIU BENJAMIN Y Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Benjamin Y H 12
#2 Dinh Thuc M 5
#3 Ma Yamin 4
#4 Dick William D 2
#5 Collins Aaron M 2
#6 Romay Francisco J 2
#7 Marple Virgil A 1
#8 Roberts Daryl L 1

Latest patents

Publication Filing date Title
US2013295749A1 Apparatus for vapor condensation and recovery
US2013203264A1 Method and apparatus for vapor and gas filtration
US2011091649A1 Method for counting particles in a gas
WO2007062242A2 High stability and high capacity precursor vapor generation for thin film deposition
WO2006098792A2 High accuracy vapor generation and delivery for thin film deposition
WO2006029367A2 A personal mask test system
US3997433A Method and apparatus for generating dry dust particles