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TSUKUBA SEIKO LTD

Overview
  • Total Patents
    34
About

TSUKUBA SEIKO LTD has a total of 34 patent applications. Its first patent ever was published in 1997. It filed its patents most often in WIPO (World Intellectual Property Organization), Republic of Korea and Taiwan. Its main competitors in its focus markets semiconductors, electrical machinery and energy and machines are SHANGHAI YINGSHUO ELECTRONIC TECH CO LTD, ASYS AUTOMATISIERUNGSSYSTEME GMBH and TSUBAKI SEIKO INC.

Patent filings in countries

World map showing TSUKUBA SEIKO LTDs patent filings in countries
# Country Total Patents
#1 WIPO (World Intellectual Property Organization) 8
#2 Republic of Korea 7
#3 Taiwan 7
#4 United States 6
#5 China 5
#6 Australia 1

Patent filings per year

Chart showing TSUKUBA SEIKO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Poh Fow-Lai 15
#2 Ubukata Tamaya 9
#3 Poh Fow Lai 6
#4 Fow-Lai Poh 4
#5 Yaguchi Masahiro 4
#6 Kato Akiharu 4
#7 Fukuda Sadao 4
#8 Yukimori Yoshiaki 2
#9 Kanou Keisaku 2
#10 Shioya Masatoshi 2

Latest patents

Publication Filing date Title
CN101180718A Electrostatic holding apparatus and the electrostatic tweezers that uses it
TW200608044A Transport inspection equipment and transport equipment
WO2006022014A1 Conveying/inspecting apparatus and conveying apparatus
WO2004030197A1 Electrostatic holding device and electrostatic tweezers using same
US6590670B1 Method and apparatus for measuring heights of test parts of object to be measured
TW365037B Inspection apparatus for connection wiring height
KR20000010976A Apparatus for measuring height of bonding wire