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PETOCA LTD

Overview
  • Total Patents
    156
About

PETOCA LTD has a total of 156 patent applications. Its first patent ever was published in 1987. It filed its patents most often in Japan, EPO (European Patent Office) and United States. Its main competitors in its focus markets textiles and paper, environmental technology and materials and metallurgy are DAIWABO CREATE KK, PETOCA KK and SPERLING BENT PAGH.

Patent filings per year

Chart showing PETOCA LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakajima Hideyuki 24
#2 Nishimura Kasuke 23
#3 Nishimura Yoshiyuki 22
#4 Tamaki Toshio 21
#5 Nagata Yoshikazu 20
#6 Takamatsu Akio 17
#7 Ejiri Hiroshi 12
#8 Ito Toshiyuki 12
#9 Maeda Takashi 11
#10 Takai Yasuyuki 9

Latest patents

Publication Filing date Title
JP2002220218A Graphite material containing boron, method of manufacturing it, and lithium ion secondary cell
JP2002146635A Highly graphiteized carbon material, method for producing the same, and application thereof
JP2002100359A Graphite material for negative electrode of lithium secondary battery, and its manufacturing method
JP2001180923A Activated carbon, its producing method, electrode made of the same, and electrical double layer capacitor using the electrode
JP2001110415A Graphite material for negative electrode of lithium ion secondary battery, manufacturing method of the same, negative electrode for lithium ion secondary battery using the graphite material, and lithium ion secondary battery
WO0017426A1 Method for producing mesophase pitch active carbon fiber, mesophase pitch active carbon fiber, electric double-layer capacitor
JP2001019415A Method and device for alkali recycle regeneration of carbon material
JP2000251889A Manufacture of graphite material for high capacity lithium ion secondary battery negative electrode
JP2000208145A Production of graphite material for high-capacity lithium ion secondary battery negative electrode
JP2000164215A Graphite material for negative electrode of lithium ion secondary battery
JP2000128518A Production of active carbon or the like and electric double layer capacitor therefrom
JP2000012034A Graphite material for lithium secondary battery and its manufacture
JPH11335930A Production of carbon fiber mat
JPH11335182A Material for brake comprising carbon fiber-reinforced carbon composite material
JPH11329434A Carbon material for lithium ion secondary battery negative electrode and its manufacture
JPH11302086A Carbon fiber-reinforced carbon composite material and its production
JPH11293527A Optically isotropic pitch-based activated carbon fiber and electric double layer capacitor using the same
TW423176B Graphite material for use in negative electrode of lithium-ion secondary battery and process for producing the same
JPH11222732A Mesophase pitch-based activated carbon fiber and electric double layer capacitor using the same
JPH11233111A Manufacture of graphite for lithium ion secondary battery negative electrode