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HIRAKI AKIO

Overview
  • Total Patents
    12
About

HIRAKI AKIO has a total of 12 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan and United States. Its main competitors in its focus markets electrical machinery and energy, micro-structure and nano-technology and semiconductors are TSINGHUA UNIVERSITY HONGFUJIN, LEE CHEOL JIN and KIM YONG HYUP.

Patent filings in countries

World map showing HIRAKI AKIOs patent filings in countries
# Country Total Patents
#1 Japan 10
#2 United States 2

Patent filings per year

Chart showing HIRAKI AKIOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hiraki Akio 12
#2 Kawarada Hiroshi 3
#3 Haba Masanori 2
#4 Yokota Yoshihiro 1
#5 Kurita Atsushi 1
#6 Wang Hong-Xing 1
#7 Usuda Shoji 1
#8 Nishimura Kazuhito 1
#9 Miyasato Tatsuro 1
#10 Yamamoto Kazukiyo 1

Latest patents

Publication Filing date Title
US2010304077A1 Carbon film and carbon film structure
JP2005071682A Lighting system
JP2004362959A Electron emitting element and manufacturing method of the same
JP2004362960A Electron emitting element and manufacturing method of the same
JP2002093305A Electron emitting negative electrode
JP2001283715A Electron-emission cathode and its manufacturing method
JPH05100355A Hole-burning memory
JPH01319975A Blue light-emitting device
JPH01102893A Light emitting device
JPS63239192A Device for producing diamond film
JPS6126771A Manufacture of accumulated material