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YAMAMOTO SHIGEO

Overview
  • Total Patents
    21
About

YAMAMOTO SHIGEO has a total of 21 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan and United States. Its main competitors in its focus markets environmental technology, electrical machinery and energy and transport are IBERDROLA SA, BEIJING HUIFENG POLY TECH CO LTD and DONGGUAN CONSTANT NEW ENERGY TECH CO LTD.

Patent filings in countries

World map showing YAMAMOTO SHIGEOs patent filings in countries
# Country Total Patents
#1 Japan 20
#2 United States 1

Patent filings per year

Chart showing YAMAMOTO SHIGEOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamamoto Shigeo 21
#2 Arimura Kunitaka 3
#3 Murata Mariko 2
#4 Hori Jinko 1
#5 Kawasaki Hiroaki 1
#6 Maruyama Mitsuhiro 1

Latest patents

Publication Filing date Title
JP2006040215A Content distribution system
JP2006042265A Multimedia distribution system, its distribution server, and communication terminal
JP2002233075A Power source device with battery charger
JP2001186910A Shoulder strap
JP2001136684A Power unit and collator using the same
JP2001095178A Charging unit, power supply and cordless apparatus
JPH11238689A Epitaxial semiconductor wafer
JPH11178627A Shoulder hanger
JPH10210682A Solar battery drive circuit
JPH09215224A Portable power supply unit with battery charger
JPH09140071A Portable power supply with battery charger
JPH08308144A Portable battery with battery charger
JPH0833231A Portable power supply with battery charger
JPH07298517A Portable power supply with battery charger
JPH07296801A Battery electrode
JPS6041613A Pearl extract having high absorbability and its production
JPS52108287A Method and equipment for packaging with thermoplastic film