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RISHO KOGYO KK

Overview
  • Total Patents
    301
  • GoodIP Patent Rank
    70,966
  • Filing trend
    ⇩ 50.0%
About

RISHO KOGYO KK has a total of 301 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 1971. It filed its patents most often in Japan, United States and Taiwan. Its main competitors in its focus markets macromolecular chemistry and polymers, audio-visual technology and machines are GUANGDONG SHENGYI SCI TECH CO, ELITE ELECTRONIC MATERIAL KUNSHAN CO LTD and ELITE ELECTRONIC MATERIAL ZHONGSHAN CO LTD.

Patent filings per year

Chart showing RISHO KOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Toshikura Koichi 23
#2 Takeguchi Kazunori 21
#3 Okumura Hiroshi 18
#4 Kariba Tsutomu 18
#5 Katayama Tsuneo 17
#6 Ohashi Yoshitaka 16
#7 Tokura Koichi 16
#8 Tayake Masazumi 15
#9 Iwamoto Kazuyoshi 15
#10 Matsui Goro 13

Latest patents

Publication Filing date Title
JP2020136621A Mold transformer and manufacturing method of mold transformer
JP2020083931A Resin composition, prepreg, and, laminate sheet
JP2019188529A Method for production of polishing carrier plate and polishing carrier plate
EP3712207A1 Microfibrillated-cellulose-containing composition, prepreg, molded body, and method for manufacturing prepreg
JP2019010745A Restrictive damping material and method of manufacturing restrictive damping material
JP2018206831A Reactor and manufacturing method thereof
JP2018199267A Manufacturing method of fire retardant honeycomb core sandwich panel structure, and fire retardant honeycomb core sandwich panel structure
JP2018192718A Manufacturing method of fire retardant corrugated core sandwich panel structure, and fire retardant corrugated core sandwich panel structure
JP2018100466A Method for producing molded article of microfibrillated cellulose
JP2016150959A Thermosetting resin composition, prepreg, and laminated plate
JP2015093752A Winding core
JP2015080824A Carrier material for polishing
JP2013256039A Laminated sheet and prepreg used for the same
JP2013067114A Method for manufacturing metal-based one-sided copper clad plate
JP2011127073A Adhesive resin composition and adhesive sheet
JP2011127074A Prepreg, laminated board, and metal foil-clad laminate
JP2011001411A Prepreg using high dielectric constant resin composition and copper-clad laminate
JP2011001400A Resin composition with high dielectric constant, and resin sheet with high dielectric constant and copper foil with resin with high dielectric constant obtained by using the same
JP2010168408A White prepreg, white laminate, and metal foil-clad white laminate
JP2009029002A Laminated tube manufacturing apparatus and laminated tube manufacturing process using laminated tube manufacturing apparatus