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YOSHIKAWA AKIHIKO

Overview
  • Total Patents
    16
About

YOSHIKAWA AKIHIKO has a total of 16 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Japan and United States. Its main competitors in its focus markets environmental technology, semiconductors and optics are JIANGSU SHUNFENG PHOTOVOLTAIC TECH CO LTD, NANTONG SUMIN ENERGY TECH CO LTD and SHANGHAI SHENZHOU NEW ENERGY DEV CO LTD.

Patent filings in countries

World map showing YOSHIKAWA AKIHIKOs patent filings in countries
# Country Total Patents
#1 Japan 11
#2 United States 5

Patent filings per year

Chart showing YOSHIKAWA AKIHIKOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yoshikawa Akihiko 16
#2 Kobayashi Masakazu 10
#3 Yamakoshi Hideo 5
#4 Mizui Junichi 5
#5 Nagasawa Yasuyuki 4
#6 Yamaguchi Kengo 4
#7 Ishitani Yoshihiro 3
#8 Kusakabe Kazuhide 3
#9 Tsuchiya Atsuhiro 2
#10 Aoki Masahiro 2

Latest patents

Publication Filing date Title
US2013174894A1 Photoelectric conversion device
US2013016345A1 Photoelectric conversion device and characteristic inspection method for same
US2012186640A1 Photoelectric conversion device
JP2002270525A Method for forming semiconductor thin film, substrate therewith manufactured by the same, and semiconductor device by using substrate therewith
JP2001247398A Method for growing nitride crystal
JP2000269605A Laminate comprising gallium nitride crystal and manufacture thereof
JPH11238914A Ii-vi compound semiconductor element
JPH11111703A Etching of ii-vi compound semiconductor device
JPH10256668A Semiconductor light emitting element
JPH1070309A Electrode for light-emitting element
JPH10107365A Surface light-emitting semiconductor laser and laser system equipped with it
JPH1079364A Surface processing method of compound semiconductor
JPH1079556A Electrode for light-emitting device
JPH06275539A Growth method of ii-vi compound semiconductor