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COORSTEK KK

Overview
  • Total Patents
    240
  • GoodIP Patent Rank
    6,325
  • Filing trend
    ⇩ 10.0%
About

COORSTEK KK has a total of 240 patent applications. It decreased the IP activity by 10.0%. Its first patent ever was published in 2003. It filed its patents most often in Japan, United States and Taiwan. Its main competitors in its focus markets semiconductors, materials and metallurgy and surface technology and coating are FUJI CERAMICS KK, HEXATECH INC and INOUE KAZUYOSHI.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Abe Yoshihisa 28
#2 Fujita Mitsuhiro 23
#3 Komiyama Jun 19
#4 Akamine Shuko 17
#5 Yokoyama Masaru 15
#6 Fukazawa Yuji 15
#7 Eriguchi Kenichi 14
#8 Ogitsu Takeshi 13
#9 Kobayashi Hiroaki 12
#10 Omori Noriko 12

Latest patents

Publication Filing date Title
US2021028284A1 Nitride semiconductor substrate
KR20210003683A Diffuser and method of manufacturing diffuser
JP2021007935A Diffuser
US2020190688A1 Silica-glass crucible and production method thereof
KR20200073152A Vitreous silica crucible and manufacturing method thereof
TW202029507A Nitride semiconductor substrate and nitride semiconductor device
US2020194580A1 Nitride semiconductor substrate and nitride semiconductor device
JP2020105064A Ruthenium aluminum garnet sintered with praseodymium and a method for producing the same
US2020194545A1 Nitride semiconductor substrate
JP2020096173A Nitride semiconductor substrate and nitride semiconductor device
JP2020097512A Silica glass crucible
JP2020105062A Manufacturing method of quartz glass crucible, and quartz glass crucible for melting optical glass
JP2021007142A Nitride semiconductor substrate
JP2020205384A Vertical wafer boat and manufacturing method thereof
JP2020202246A Furnace core tube and heat treatment apparatus including the same
JP2020200206A Ce;LuAP BAKING BODY, POSITRON FAULT-MEASURING APPARATUS, AND METHOD FOR PRODUCING THE BAKING BODY
JP2020200199A Quartz glass crucible and method for manufacturing the same
JP2020196651A Method for manufacturing silica glass crucible
JP2020191346A Susceptor and epitaxial growth device
US2019282941A1 Break filter using a silicon carbide porous body and manufacturing method of the break filter