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SUMITOMO METAL CERAMICS INC

Overview
  • Total Patents
    20
About

SUMITOMO METAL CERAMICS INC has a total of 20 patent applications. Its first patent ever was published in 1985. It filed its patents most often in United States, Japan and Germany. Its main competitors in its focus markets semiconductors, machines and audio-visual technology are SUMITOMO METAL SMI ELECTRONICS, IBIDEN COMPANY LTD and SUMITOMO KINZOKU CERAMICS KK.

Patent filings in countries

World map showing SUMITOMO METAL CERAMICS INCs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Japan 8
#3 Germany 1
#4 EPO (European Patent Office) 1

Patent filings per year

Chart showing SUMITOMO METAL CERAMICS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fukaya Masashi 7
#2 Fukuta Junzo 6
#3 Araki Hideaki 6
#4 Nishigaki Susumu 3
#5 Miyase Yoshiyuki 2
#6 Kuratani Shusei 2
#7 Sakuramoto Hisashi 2
#8 Nomura Tohru 2
#9 Yano Shinsuke 2
#10 Mizuno Shinya 2

Latest patents

Publication Filing date Title
US5543661A Semiconductor ceramic package with terminal vias
US5456778A Method of fabricating ceramic circuit substrate
US5470412A Process for producing a circuit substrate
US5156903A Multilayer ceramic substrate and manufacture thereof
JPH01157447A High dielectric constant porcelain composition