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NIPPON CARBON CO LTD

Overview
  • Total Patents
    568
  • GoodIP Patent Rank
    137,149
  • Filing trend
    ⇩ 100.0%
About

NIPPON CARBON CO LTD has a total of 568 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1964. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets materials and metallurgy, machines and environmental technology are SHANDONG YUANGEN CHEMICAL TECH RESEARCH AND DEVELOPMENT CO LTD, WANG GESHENG and GREEN REFRACTORIES.

Patent filings per year

Chart showing NIPPON CARBON CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ichikawa Hiroshi 98
#2 Teranishi Haruo 79
#3 Kawai Takanobu 65
#4 Ishikawa Toshikatsu 61
#5 Yokoyama Akira 51
#6 Hirata Keiichi 45
#7 Ishikawa Toshiisa 42
#8 Yamazoe Hiroshi 31
#9 Tanaka Jiyunichi 28
#10 Tanaka Yoshikazu 26

Latest patents

Publication Filing date Title
JP2019046925A Negative electrode active material for lithium ion capacitor
US2020292088A1 High sealing property ball valve seat
JP2018095495A Bonding agent and bonding method for carbon material
US2018327322A1 Coating formed on graphite substrate and method for producing the same
EP3076417A1 Negative-electrode active material for lithium ion capacitor
WO2014141372A1 Negative electrode material for lithium ion secondary cell and negative electrode
JP2011233541A Graphite particles for lithium ion secondary battery
JP2012049389A Method of producing active carbon for capacitor and active carbon
JP2011258421A Negative electrode active material for lithium ion secondary battery and negative electrode
JP2010092649A Anode active material for lithium-ion secondary battery and anode
JP2009059676A Negative electrode active material for lithium ion secondary battery and negative electrode
JP2009048924A Negative electrode active material for high output lithium ion secondary battery, and negative electrode using the same
EP2043182A1 Negative electrode active material and negative electrode for lithium ion rechargeable battery
JP2009004304A Negative electrode active material for lithium secondary battery and negative electrode using it
JP2008196552A Carbon fiber heat insulating material and its manufacturing method
JP2008186732A Negative electrode active material for lithium secondary battery, negative electrode using the same, and manufacturing method
JP2008150270A Carbonaceous porous powder for active material for negative electrode of secondary cell and method for manufacturing the powder
JP2008050245A Manufacturing method of artificial graphite powder and artificial graphite fine powder
JP2008027664A Negative electrode for lithium ion secondary battery, and negative electrode active material
JP2008021623A Anode active material for high-power lithium secondary battery