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YAMAUCHI TSUYOSHI

Overview
  • Total Patents
    11
About

YAMAUCHI TSUYOSHI has a total of 11 patent applications. Its first patent ever was published in 1980. It filed its patents most often in United States and Japan. Its main competitors in its focus markets optics, consumer goods and audio-visual technology are OPTAGLIO LTD, AMBLEHURST LTD and DE LA RUE HOLOGRAPHICS LTD.

Patent filings in countries

World map showing YAMAUCHI TSUYOSHIs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Japan 2

Patent filings per year

Chart showing YAMAUCHI TSUYOSHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamauchi Tsuyoshi 11
#2 Watanabe Masachika 4
#3 Kitamura Mitsuru 4
#4 Ueda Kenji 3
#5 Kitamura Akiko 3
#6 Kurashige Makio 2
#7 Sekine Yoko 2
#8 Kumasawa Tomoko 2
#9 Yamamoto Manabu 2
#10 Yasuda Tomoki 1

Latest patents

Publication Filing date Title
US2007183011A1 Fabrication process of multi-image type hologram, and multi-image type hologram fabricated by that process
JPS5768442A Structure attached with heat insulation board
JPS5768443A Heat insulation structure of roof