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RYUJI SATO

Overview
  • Total Patents
    16
About

RYUJI SATO has a total of 16 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United States. Its main competitors in its focus markets furniture and games, consumer goods and packaging and shipping are BRADLEY MILTON CO, MILTON BRADLEY CO and AARIKKA KORU.

Patent filings in countries

World map showing RYUJI SATOs patent filings in countries
# Country Total Patents
#1 United States 16

Patent filings per year

Chart showing RYUJI SATOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ryuji Sato 16
#2 Chiyosaburo Matsui 2
#3 Umekichi Ito 1

Latest patents

Publication Filing date Title
US2515802A Shape supporter for soft collars
US1829613A Fastener
US1761236A Hermetic tube closure
US1658396A Bottle-cap opener
US1652583A Pencil sharpener
US1701424A Shoe attachment
US1523904A Writing instrument
US1564140A Amusement device
US1558401A Amusement apparatus
US1599290A Walking toy
US1504908A Insole for shoes
US1539774A Window shade
US1506670A Walking animal toy
US1425058A Rowing race
US1424038A Swimming race
US1350082A Toy and game