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PETOCA KK

Overview
  • Total Patents
    66
About

PETOCA KK has a total of 66 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, textiles and paper and electrical machinery and energy are PETOCA LTD, METAL IND RES DEVELOPMENT CT and CHUBU ELECTRIC POWER.

Patent filings in countries

World map showing PETOCA KKs patent filings in countries
# Country Total Patents
#1 Japan 66

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Nakajima Hideyuki 23
#2 Ejiri Hiroshi 21
#3 Nishimura Kasuke 18
#4 Tamaki Toshio 14
#5 Kawamura Hisafumi 9
#6 Yamazaki Norimune 7
#7 Hosotsubo Tomimori 7
#8 Maeda Takashi 7
#9 Katsuta Yasushi 6
#10 Ida Junichi 4

Latest patents

Publication Filing date Title
JPH10312809A Graphite material for high capacity nonaqueous secondary battery negative electrode and manufacture therefor
JPH10152311A Surface graphitized carbon material, its production and lithium ion secondary battery using the same
JPH1167201A Carbon material for lithium ion secondary battery negative electrode and its manufacture
JPH10289718A Manufacture of graphite material for large-capacity lithium-ion secondary battery negative electrode
JPH10255799A Graphite material for high-capacity nonaqueous secondary battery negative electrode and its manufacture
JPH10223227A Graphite material for anode of lithium ion secondary battery
JPH10162829A Negative electrode material for lithium ion secondary battery and manufacture thereof
JPH10121336A Mesophase pitch-based activated carbon fiber, its production and electric double layer capacitor
JPH10112319A Carbon material for lithium secondary battery, and its manufacture
JPH1092431A Lithium ion secondary battery negative electrode material and its manufacture
JPH1027612A Negative electrode material for lithiumion secondary battery
JPH09320592A Lithium ton secondary battery negative electrode material and its manufacture
JPH09320590A Lithium ton secondary battery negative electrode material and its manufacture
JPH09320591A Lithium ion secondary battery negative electrode material
JPH09296328A Microbicidal activated carbon fiber and its production
JPH09283145A Carbon material for lithium secondary battery and manufacture thereof
JPH09265983A Manufacture of graphite milled fibers to be used as negative electrode material for lithium ion secondary battery
JPH09241930A Production of active carbon fiber formed material and the same material
JPH09147860A Negative electrode material for lithium ion secondary battery
JPH0992283A Carbon material for nonaqueous lithium secondary battery and its manufacture