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SIGMA MERUTETSUKU KK

Overview
  • Total Patents
    29
About

SIGMA MERUTETSUKU KK has a total of 29 patent applications. Its first patent ever was published in 1992. It filed its patents most often in Japan. Its main competitors in its focus markets semiconductors and optics are PKL CO LTD, NSK TECHNOLOGY CO LTD and BAE YOUNG CHEOL.

Patent filings in countries

World map showing SIGMA MERUTETSUKU KKs patent filings in countries
# Country Total Patents
#1 Japan 29

Patent filings per year

Chart showing SIGMA MERUTETSUKU KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Semiconductors
#2 Optics

Top inventors

# Name Total Patents
#1 Takano Michiaki 13
#2 Akasaki Tsuneo 11
#3 Yokota Hirokazu 5
#4 Inoue Yoshikazu 5
#5 Kanda Kaoru 5
#6 Ishibashi Masayuki 4
#7 Yamaguchi Toshihiko 4
#8 Takano Michio 3
#9 Ishida Yoshio 1
#10 Honma Hiroyuki 1

Latest patents

Publication Filing date Title
JPH1074686A Chemical liquid treating method and device
JPH0950957A Substrate baking apparatus and substrate baking method
JPH0990306A Substrate drying nozzle
JPH0914814A Liquid temperature adjusting device
JPH0917764A Liquid chemical treatment apparatus
JPH08130200A Method and equipment for washing substrate
JPH08130182A Substrate heater
JPH07281453A Method and device for heating substrate
JPH07211628A Substrate heater
JPH07153678A Substrate cooling apparatus
JPH07152148A Substrate inserting and removing method and device therefor
JPH07153816A Substrate transferring method and equipment
JPH07152158A Substrate heater
JPH07136566A Liquid chemical nozzle and treatment of liquid chemical
JPH0790625A Liquid chemical treating device
JPH07142317A Method and apparatus for removing resist around periphery of rectangular substrate
JPH0710269A Substrate conveyor
JPH07142307A Chemical treating stage
JPH073499A Anodic oxidation method and device therefor
JPH06342752A Rotary treatment device for square substrate