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MARUWA KK

Overview
  • Total Patents
    156
  • GoodIP Patent Rank
    42,949
  • Filing trend
    0.0%
About

MARUWA KK has a total of 156 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 1979. It filed its patents most often in Japan, United States and Republic of Korea. Its main competitors in its focus markets machines, materials and metallurgy and surface technology and coating are RES INST OF ADVANCED MATERIAL, BONSAL CO W R and PROMAT INTERNAT N V.

Patent filings per year

Chart showing MARUWA KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kojima Yasushi 28
#2 Nishi Ikuo 16
#3 Takahashi Mitsutaka 14
#4 Kato Daisuke 13
#5 Kato Akira 12
#6 Nagaya Megumi 9
#7 Hongo Satoshi 8
#8 Amano Tsutomu 8
#9 Kobe Toshiro 8
#10 Amano Chikara 7

Latest patents

Publication Filing date Title
WO2020031947A1 Spherical aluminum nitride powder and method for producing spherical aluminum nitride powder
JP2020023434A Spherical aluminum nitride powder
JP2020023435A Spherical aluminum nitride powder
JP2020184712A Helical antenna and antenna device
JP2019195036A Composite substrate and method for manufacturing the same
WO2020059035A1 Aluminum nitride sintered compact and method for producing same
JP2020029106A truck
JP2020029313A Delivery device for fluid solid matter
JP2019121432A Ceramic device
JP2019052072A Silicon nitride sintered substrate, electronic apparatus, and method for manufacturing the silicon nitride sintered substrate
JP2019023400A Functional wallpaper and method of manufacturing functional wallpaper
JP2018200817A Luminaire
JP2018184316A Aluminum nitride sintered body and manufacturing method thereof
JP2018182691A Antenna module
JP2018181569A Led lamp
JP2017100937A Aluminum nitride sintered body and manufacturing method therefor
JP2018070436A Production method of silicon nitride sintered body
JP2018070433A Aluminum nitride sintered body and method for producing the same
JP2017114706A Aluminum nitride powder for filler, aluminum nitride powder for sub-filler and manufacturing method therefor
JP2017036183A Manufacturing method of high filling spherical aluminum nitride filler