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ESSAI INC

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    102,208
  • Filing trend
    ⇩ 100.0%
About

ESSAI INC has a total of 23 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2006. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Republic of Korea. Its main competitors in its focus markets measurement, semiconductors and mechanical elements are TSE CO LTD, KOYO TECHNOS KK and SIRC CO LTD.

Patent filings in countries

World map showing ESSAI INCs patent filings in countries

Patent filings per year

Chart showing ESSAI INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Barabi Nasser 22
#2 Kryachek Oksana 20
#3 Ho Chee Wah 19
#4 Tienzo Joven R 19
#5 Nazarov Elena V 15
#6 Ho Chee-Wah 4
#7 Huber Hans Dieter 1
#8 Lee Hin Lum 1
#9 Barabi Nasser J 1
#10 Nazarov Elena 1

Latest patents

Publication Filing date Title
US2021102972A1 Contactor with angled depressible probes in shifted bores
US2020379010A1 Systems and methods for high speed test probing of densely packaged semiconductor devices
US2018172730A1 Contactor with angled depressible probes
US2016313390A1 Systems and methods for conforming test tooling to integrated circuit device with whirlwind cold plate
WO2016160730A1 Systems and methods for conforming test tooling to integrated circuit device with heater socket
KR20170073697A Systems and methods for conforming device testers to integrated circuit device with pressure relief valve
US2016025806A1 Systems and methods for reliable integrated circuit device test tooling
US2015309114A1 Systems and methods for conforming test tooling to integrated circuit device with heater socket
US2015109009A1 Systems and methods for conforming device testers to integrated circuit device with pressure relief valve
US2015022226A1 Systems and methods for conforming test tooling to integrated circuit device profiles with coaxial socket
US2014232426A1 Systems and methods for conforming test tooling to integrated circuit device profiles with convex support structure
US2014055154A1 Systems and methods for conforming test tooling to integrated circuit device profiles with ejection mechanisms
US2014021972A1 Systems and methods for conforming test tooling to integrated circuit device profiles with sockets having secured and replaceable bushings
US2014015556A1 Systems and methods for conforming test tooling to integrated circuit device profiles with compliant pedestals
US2013271170A1 Systems and methods for conforming device testers to integrated circuit device profiles with feedback temperature control
US2008252324A1 Active thermal control unit for maintaining the set point temperature of a DUT
US2008207037A1 Chip actuator cover assembly
US2008265924A1 Contactor nest for an IC device and method