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KOTANI HIROTARO

Overview
  • Total Patents
    13
About

KOTANI HIROTARO has a total of 13 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, Germany and United States. Its main competitors in its focus markets transport and consumer goods are MAXILIN BV, ROYALTY BUGABOO S A R L and STERRACLIMB LLC.

Patent filings in countries

World map showing KOTANI HIROTAROs patent filings in countries
# Country Total Patents
#1 Japan 11
#2 Germany 1
#3 United States 1

Patent filings per year

Chart showing KOTANI HIROTAROs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport
#2 Consumer goods

Focus technologies

# Technology
#1 Hand carts
#2 Hand carried bags

Top inventors

# Name Total Patents
#1 Kotani Hirotaro 13

Latest patents

Publication Filing date Title
US4294463A Collapsible luggage carrier
DE2745177A1 DEVICE FOR TRANSPORTING LOADS
JPS5168937A Sokudoseigenkinoo jusuru doro
JPS5136770A Maajanpainoseiso notameno painomendashikikai
JPS5136773A Maajanpaino seiso notameno paino mendashikikaino heikorinkusochi
JPS5136772A Maajanpaino seiso notameno paino mendashikikaino heikorinkusochi
JPS5136769A Maajanpainoseiso notameno paino mendashikikai
JPS5136771A Maajanpainoseiso notameno painomendashikikainoheikoidosochi
JPS5136767A Maajanpaino seiso notameno paino mendashihoho
JPS5136768A Maajanpaino seiso notameno paino mendashikikai niokeru pairetsu no shiseitenkaihoho