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SIGMA TECH INC

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    192,196
  • Filing trend
    ⇩ 100.0%
About

SIGMA TECH INC has a total of 12 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2000. It filed its patents most often in United States, EPO (European Patent Office) and China. Its main competitors in its focus markets chemical engineering, measurement and surface technology and coating are KONPON KK, LIANG MEILIAN and TAICANG HONGSHAN ENV PROT TECH CO LTD.

Patent filings per year

Chart showing SIGMA TECH INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tachibana Yoshiaki 8
#2 Sasajima Souzou 4
#3 Tachibana Kousuke 4
#4 Honma Kyoko 4
#5 Fauque Jacques A 3
#6 Tamahashi Kunihiro 2
#7 Tachibana Kosuke 2
#8 Yamanouchi Dai 2
#9 Harada Kaoru 2
#10 Matumoto Yuuki 1

Latest patents

Publication Filing date Title
WO2019026195A1 Microbubble generation device, microbubble generation method, and shower apparatus and oil-water separation apparatus comprising said microbubble generation device
EP3456815A1 Aqueous solution capable of being administered to living body, and method for producing same
US2018161737A1 Cleaning method and cleaning device using micro/nano-bubbles
US2015273408A1 Method, a bubble generating nozzle, and an apparatus for generating micro-nano bubbles
US6220080B1 Extended range and ultra precision non contact dimensional gauge for ultra thin wafers and work pieces