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HAMAYA SUMIO

Overview
  • Total Patents
    14
About

HAMAYA SUMIO has a total of 14 patent applications. Its first patent ever was published in 1996. It filed its patents most often in Japan. Its main competitors in its focus markets semiconductors are YINGXINDA CO LTD, CHONGQING WEITESEN ELECTRONIC TECH CO LTD and DAHENG SCIENCE & TECHNOLOGY CO LTD.

Patent filings in countries

World map showing HAMAYA SUMIOs patent filings in countries
# Country Total Patents
#1 Japan 14

Patent filings per year

Chart showing HAMAYA SUMIOs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Semiconductors

Focus technologies

# Technology
#1 Semiconductor devices

Top inventors

# Name Total Patents
#1 Hamaya Sumio 14
#2 Han Piyooyon 1
#3 Sakamaki Hiroshi 1

Latest patents

Publication Filing date Title
JP2008300814A Perfect ashing device
JP2006173547A Natural oxide film stripping apparatus
JP2006156924A Three-tank and one-bath type automatic wafer cleaning apparatus
JP2004172563A Drier for next generation
JP2003218090A Perfect ashing system
JP2001135607A Configuration of chamber in automatic single wafer washing apparatus
JP2001013695A Ashing device
JP2000164553A Cleaning method of carrier automatic cleaning device
JPH11287490A Energy saving and low cost type clean room
JPH11288909A Automatic cleaning method for one-bath or two-bath type plural wafer cleaning machine
JPH10326766A Drier for semiconductor 1gdram
JPH10256221A Spin drier for semiconductor 256m drum
JPH1075993A Ozone generator
JPH11151766A Quartz substitute material for semiconductor