Learn more

YAMAUCHI CORP

Overview
  • Total Patents
    718
  • GoodIP Patent Rank
    13,448
  • Filing trend
    ⇧ 33.0%
About

YAMAUCHI CORP has a total of 718 patent applications. It increased the IP activity by 33.0%. Its first patent ever was published in 1980. It filed its patents most often in Japan, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machines, textiles and paper and machine tools are IPG TECHNOLOGIES INC, RASMUSSEN OLE BENDT and RIKEN VINYL IND CO LTD.

Patent filings per year

Chart showing YAMAUCHI CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yoshida Akira 108
#2 Hikida Takahisa 87
#3 Watanabe Atsuo 75
#4 Saito Toshio 53
#5 Ozeki Takamitsu 45
#6 Tanaka Atsuo 42
#7 Hayashi Takayoshi 40
#8 Fujioka Teruo 35
#9 Watanabe Atsushi 35
#10 Murakami Tetsuya 34

Latest patents

Publication Filing date Title
WO2021054098A1 Dustproof rubber body for imaging device
WO2021014976A1 Rotating magnet power generation device
JP2020072635A Vibration dynamo device and dynamo device with switch mechanism
JP2020193679A Torque limiter
JP2020169675A Torque limiter, device using the same, and torque adjustment method of the same
JP2020159224A Compressor and support member for compressor
JP2019112232A Rubber composition for paper feed roll and paper feed roll
JP2020059180A Cushion material for hot pressing and method for manufacturing cushion material for hot pressing
JP2020059034A Cushion material for hot pressing
JP2020002490A Apron band for spinning
JP2020002489A Apron band for spinning
JP2019216527A Vibration dynamo device
JP2019213279A Vibration dynamo device and chime apparatus
EP3632644A1 Hot-press cushion material and manufacturing method therefor
JP2019200599A Wireless mouse
JP2019116550A Conductive rubber roller composition, conductive rubber roller, and method for producing conductive rubber roller
JP2019116703A Shoe press belt
JP2019100194A Electromagnetic type diaphragm pump
JP2018196287A Combined power generator
JP2018188267A Rubber composition for paper conveying roll and paper conveying roll