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YOKOYAMA SEISAKUSHO KK

Overview
  • Total Patents
    49
About

YOKOYAMA SEISAKUSHO KK has a total of 49 patent applications. Its first patent ever was published in 1979. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets machine tools, machines and measurement are FORGED STEEL WHEEL COMPANY, WATERBURY FARREL FOUNDRY & MAC and EHRHARDT HEINRICH.

Patent filings in countries

World map showing YOKOYAMA SEISAKUSHO KKs patent filings in countries
# Country Total Patents
#1 Japan 43
#2 United States 4
#3 EPO (European Patent Office) 2

Patent filings per year

Chart showing YOKOYAMA SEISAKUSHO KKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Yokoyama Shiyousuke 16
#2 Yokoyama Michihiro 12
#3 Yokoyama Masahiro 7
#4 Yokoyama Yoshisuke 3
#5 Kuriyama No 2
#6 Yokoyama Takaaki 2
#7 Yokoyama Kinji 1
#8 Yokoyama Takuji 1
#9 Kokubo Tatsuo 1
#10 Nakagawa Yukio 1

Latest patents

Publication Filing date Title
JP2010014331A Hot air nozzle
JP2009213398A Tea-heating apparatus
JP2007238259A Air float device
JP2005318838A Firing device for tea manufacture
JP2004350511A Apparatus for loosening agglomerated tea leaf
JP2004188331A Kiss type reverse roll coater
JP2004174367A Thin film coater
JP2003145018A Thin film application apparatus
JP2003097536A Magnet sheet
JP2001310151A Slit coater
JP2001204450A Rotary drum-type roasting machine
JP2001204448A Rotary drum-type roasting machine
JP2001044901A Spread spectrum communication equipment
JP2000343014A Thin film applying device
JP2000176349A Bar coating apparatus having hermetically closed liquid supply dam
JP2000167458A Coating device with liquid surface sensor
JP2000157902A Coating device having closed circulating liquid supply dam
JPH10337516A Double coating device
JPH10328747A Method for bulging circumferential projection on outer circumferential face of metal tube and device therefor
JPH10328596A Transfer type double side coating method and device