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YOSHITSUKA SEIKI KK

Overview
  • Total Patents
    107
About

YOSHITSUKA SEIKI KK has a total of 107 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets machine tools, materials and metallurgy and machines are MIL TEK BALERS AS, SIPREM SPA and SHANGHAI TYBO LET MECHANICAL COMPONENTS CO LTD.

Patent filings in countries

World map showing YOSHITSUKA SEIKI KKs patent filings in countries
# Country Total Patents
#1 Japan 107

Patent filings per year

Chart showing YOSHITSUKA SEIKI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Katagiri Takeshi 82
#2 Yamamoto Masao 37
#3 Shirasaki Shiro 26
#4 Oozu Masaaki 13
#5 Tajima Tsukasa 9
#6 Tsukimura Toshihiko 8
#7 Kimura Kanbee 6
#8 Fukutani Kanae 3
#9 Tanaka Yoshikatsu 2
#10 Tsuchifuji Kouichi 2

Latest patents

Publication Filing date Title
JP2006315025A Core actuator for powder compacting press
JP2004042102A Powder molding die, and powder molding device using the die
JP2003027108A Process and equipment for powder compaction
JP2002153995A Punch connection structure and connection method for compacting press
JPH1133791A Multi step powder molding press
JPH09239597A Powder molding press
JPH0938796A Exchanger for tool set of powder molding press
JPH08155694A Method for ensuring position of die in powder molding press
JPH0871798A Powder packing method of powder molding press
JPH0852596A Method for confirming and correcting die position in compacting press
JPH0810994A Cooling device for powder molding press
JPH07314195A Method for checking and correcting position of metal mold of powder molding press
JPH07214396A Compacting method of stepped green compact and device therefor
JPH07155995A Press
JPH0716795A Powder molding press
JPH06198497A Pressurization control method and device for powder molding press
JPH06142993A Method and device for connecting punch of powder molding press
JPH06106398A Powder molding press
JPH0679371A Method for confirming centering of press die
JPH0639596A Method and apparatus for production of powder molded parts having undercut part