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LAPMASTER SFT CORP

Overview
  • Total Patents
    40
About

LAPMASTER SFT CORP has a total of 40 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Japan, Republic of Korea and Taiwan. Its main competitors in its focus markets semiconductors, medical technology and machine tools are YAN MIN, LYU CHUANSHENG and CHEN CHIH-HAO.

Patent filings in countries

World map showing LAPMASTER SFT CORPs patent filings in countries
# Country Total Patents
#1 Japan 35
#2 Republic of Korea 4
#3 Taiwan 1

Patent filings per year

Chart showing LAPMASTER SFT CORPs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Hatano Koichi 20
#2 Matsumoto Yasuo 12
#3 Kanefuji Kunimasa 10
#4 Matsumoto Keiichi 7
#5 Takashima Shinichi 4
#6 Suzuki Mikio 3
#7 Watanabe Shogo 3
#8 Kishida Fumiki 3
#9 Suzuki Junji 3
#10 Ieiri Kenji 2

Latest patents

Publication Filing date Title
JP2011211013A Method for regenerating wafer with multilayer film/pattern
JP2011211011A Method for regenerating wafer with multilayer film/pattern
JP2011211012A Method for regenerating wafer with multilayer film/pattern
JP2011124303A Rubber aligning type polishing head
JP2011124302A Low center of gravity airbag type polishing head
KR20100116354A Fully automated chemical mechanical polishing equipment for silicon wafers provided with 4 axis polishing spindles
TW201034790A Four-spindle automatic semiconductor wafer grinder device
JP2009028828A Fly cutter grinding device
JP2009028829A Fly cutter grinding device
JP2008284634A Work spindle
JP2008204995A Method of polishing semiconductor wafer
JP2008204994A Method of polishing semiconductor wafer
JP2008036775A Full automatic 16-axis grinding-polishing device
JP2008036776A Full automatic 16-axis grinding-polishing device
JP2007227581A Universal chuck
KR20070080744A Vacuum chuck
JP2007140372A Apparatus for grinding and polishing both sides of glass for liquid crystal
JP2007140373A Method for grinding and polishing both sides of glass for liquid crystal
JP2007136641A Double side grinding and polishing device for glass for liquid crystal
JP2007136640A Double-side grinding and polishing device for glass for liquid crystal