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TAMAGAWA MACHINERY CO LTD

Overview
  • Total Patents
    60
About

TAMAGAWA MACHINERY CO LTD has a total of 60 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Japan, United States and China. Its main competitors in its focus markets machine tools, machines and measurement are OD Z PRESSOV AVTOMATOV, BEPEX GMBH and JOHN SHAW AND SONS SALFORD LTD.

Patent filings in countries

World map showing TAMAGAWA MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 53
#2 United States 5
#3 China 2

Patent filings per year

Chart showing TAMAGAWA MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Takeda Koichi 9
#2 Miura Eiichi 9
#3 Kajiwara Jiro 7
#4 Yasuno Hisayoshi 7
#5 Hirasawa Toshio 6
#6 Yanoo Akihito 4
#7 Matsuo Shoji 4
#8 Takano Toshiyoshi 4
#9 Takeda Keisuke 4
#10 Tachibana Shinji 3

Latest patents

Publication Filing date Title
JP2004291200A Groove working device
JP2004294391A Pinhole inspection method of can
JP2004291068A Forming device
JP2004291201A Polishing roll
JP2004294369A Pinhole inspection method of can
JP2004286258A Atmospheric gas feed device and heat treatment apparatus using the same
JP2004286259A Atmospheric gas feed device and heat treatment apparatus using the same
JP2004276082A Forming apparatus and method for controlling forming apparatus
JP2004268157A Glass substrate polishing head, polishing device using this polishing head, glass substrate polishing method and glass substrate
JP2004268155A Glass substrate polishing head, polishing device using this polishing head, glass substrate polishing method and glass substrate
JP2004268156A Template and substrate polishing head using this template
JP2004268158A Glass substrate polishing head, polishing device using this polishing head, glass substrate polishing method and glass substrate
JP2004247480A Wafer turning device
JP2004233081A Can bottom chuck
JP2004226009A Manufacturing method of dried product of banana skin
JP2004202451A Cleaning device
JP2004197786A Thickener
JP2004197989A Concentrating device
JP2004163151A Inside micrometer device
JP2004160298A Thin film evaporation device