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YAWATA CHEM IND CO LTD

Overview
  • Total Patents
    21
About

YAWATA CHEM IND CO LTD has a total of 21 patent applications. Its first patent ever was published in 1962. It filed its patents most often in Germany, United States and United Kingdom. Its main competitors in its focus markets organic fine chemistry, materials and metallurgy and macromolecular chemistry and polymers are STUDIEN UND VERWERTUNGSGESELLS, WILMAR TRADING PTE LTD and IT RESINE SOC.

Patent filings in countries

World map showing YAWATA CHEM IND CO LTDs patent filings in countries
# Country Total Patents
#1 Germany 9
#2 United States 7
#3 United Kingdom 3
#4 Switzerland 1
#5 Sweden 1

Patent filings per year

Chart showing YAWATA CHEM IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yoshimitsu Kenichi 2
#2 Tokuhisa Hiroshi 2
#3 Inoue Toshio 2
#4 Eto Hiromi 2
#5 Matsumoto Yutaro 2
#6 Hanada Mitsuo 2
#7 Sasaki Tsutomu 2
#8 Yamauchi Yasuhiro 2
#9 Morita Shigeru 2
#10 Tanji Hideo 2

Latest patents

Publication Filing date Title
GB1155416A Process for the production of High-Pure Aromatic Hydrocarbons from Cracked Gasoline
DE1593730A1 Process for the purification of low olefin gases
US3456029A Process for the purification of lower olefin gases
US3428590A Process for the production of trioxane copolymers
US3467723A Process for the purification of aromatic hydrocarbons
US3375066A Process for the continuous production of gypsum and iron oxide from waste sulfuric acid pickle liquor and a calcium compound
US3294857A Process for producing high-pure aromatic hydrocarbons
GB1048294A Method and apparatus for producing light weight aggregate by utilizing slag
US3176023A Process for producing trioxane using a cation exchange resin having-so3h radicals
US3183196A Silica-vanadium oxide oxidation catalyst