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NAGAI HIROKI

Overview
  • Total Patents
    29
About

NAGAI HIROKI has a total of 29 patent applications. Its first patent ever was published in 2007. It filed its patents most often in United States and Japan. Its main competitors in its focus markets environmental technology, electrical machinery and energy and materials and metallurgy are CHANG SUNG KYUN, TAKAHATA KOJI and UEKI TOMOYOSHI.

Patent filings in countries

World map showing NAGAI HIROKIs patent filings in countries
# Country Total Patents
#1 United States 28
#2 Japan 1

Patent filings per year

Chart showing NAGAI HIROKIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nagai Hiroki 29
#2 Morita Masahiro 9
#3 Iwao Takashi 5
#4 Hiratsuka Hidekazu 3
#5 Okada Yukihiro 3
#6 Tamaki Takumi 3
#7 Mori Kensaku 2
#8 Imaizumi Shin 2
#9 Toya Hiroyuki 2
#10 Osako Toshiyuki 2

Latest patents

Publication Filing date Title
US2014127582A1 Lithium secondary battery
US2013337305A1 Nonaqueous electrolyte secondary battery
US2012295157A1 Lithium secondary battery
US2013047721A1 Method of evaluating positive electrode active material
US2012161069A1 Positive electrode active material for lithium secondary battery, and use thereof
JP2009014798A Thin flat type image display apparatus of reflection system