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NIPPON CRUCIBLE CO

Overview
  • Total Patents
    351
  • GoodIP Patent Rank
    102,315
  • Filing trend
    0.0%
About

NIPPON CRUCIBLE CO has a total of 351 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 1971. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets materials and metallurgy, thermal processes and environmental technology are MAGNECO METREL INC, INTERNAT CEMENT CORP and BAKER CO J E.

Patent filings per year

Chart showing NIPPON CRUCIBLE COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Okada Tamio 104
#2 Sasaki Tadao 62
#3 Yoshikawa Hideo 44
#4 Ohashi Hideaki 28
#5 Shirakawa Katsuyuki 28
#6 Shiraishi Kunihiko 23
#7 Tanaka Masaharu 20
#8 Sano Toshiaki 19
#9 Takeda Kenzo 18
#10 Matsuura Michio 18

Latest patents

Publication Filing date Title
JP2020128313A Curing accelerator, cement composition, and unshaped refractory
JP2020125861A Crucible unit for induction furnace and crucible type induction furnace
JP2019158168A Leveling fixture
JP2018132262A Melting holding furnace and cover body for melting holding furnace
JP2017178741A Mold for manufacturing silicon ingot
JP2017161132A Crucible for induction heating furnace
JP2017110886A Crucible unit
JP2016217592A Crucible furnace
JP2016104898A Heater tube
JP2015213921A Ladle heating device
JP2015055462A Crucible for induction heater
JP2015020941A Container for silicon casting
CN103898326A Precious metal recycling equipment
US2014151943A1 Valuable metal recovery apparatus
CN102834204A Device for vacuum supplying molten metal
JP2012002492A Device for recovery of valuable metal
JP2012056813A Molded, fired product of refractory material
JP2011002199A Movable type tilting crucible furnace
WO2009142160A1 Molten metal holding furnace
JP2010060176A Metal melting furnace