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NAOI KATSUHIKO

Overview
  • Total Patents
    12
About

NAOI KATSUHIKO has a total of 12 patent applications. Its first patent ever was published in 2001. It filed its patents most often in United States, EPO (European Patent Office) and Japan. Its main competitors in its focus markets electrical machinery and energy, environmental technology and materials and metallurgy are ENERG2 TECHNOLOGIES INC, ZHONG LINDA and SHENZHEN ZHONGKE RUINENG IND CO LTD.

Patent filings in countries

World map showing NAOI KATSUHIKOs patent filings in countries

Patent filings per year

Chart showing NAOI KATSUHIKOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Naoi Katsuhiko 12
#2 Ishimoto Shuichi 5
#3 Suematsu Shunzo 5
#4 Tamamitsu Kenji 4
#5 Naoi Wako 4
#6 Wakabayashi Toshiki 2
#7 Kobayashi Kotaro 1
#8 Fujita Yukihiro 1
#9 Minato Yoshihiro 1
#10 Machida Kenji 1

Latest patents

Publication Filing date Title
US2009296317A1 Electrolytic capacitor element and process for producing the same
WO02082569A1 Energy storing device material from heterocyclic organic sulfur compound and method of designing it
JP2003109875A Electrode material and utility thereof
EP1376619A1 Inorganic/organic complex nano-beads and method for manufacturing the same
JP2002265598A Inorganic/organic compounded nanobeads and method of manufacturing the same