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YAMATO MASATOSHI

Overview
  • Total Patents
    14
About

YAMATO MASATOSHI has a total of 14 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Japan. Its main competitors in its focus markets organic fine chemistry and pharmaceuticals are CASAR ZDENKO, SHIONOGI BIORES CORP and IND SWIFT LAB LTD.

Patent filings in countries

World map showing YAMATO MASATOSHIs patent filings in countries
# Country Total Patents
#1 Japan 14

Patent filings per year

Chart showing YAMATO MASATOSHIs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Yamato Masatoshi 14
#2 Hashigaki Kuniko 5

Latest patents

Publication Filing date Title
JPH05306284A Indoloquinoline derivative
JPH02256667A Condensed quinoline-based compound and production thereof
JPS63238079A Quinoline based compound, production thereof and anticancer agent containing said compound as active ingredient
JPS62190143A Novel tropolone derivative
JPS62126190A Novel tropolone derivative
JPS62126174A Bis(8-hydroxyquinolin-7-yl)methane based compound
JPS61215341A Production of tropolone derivative and use as antitumor agent
JPS59134745A Tropolone derivative having antitumor action
JPS59134744A Tropolone derivative having antitumor action
JPS59134720A Antitumor agent
JPS58157718A Antitumor drug
JPS5824519A Antiallergic
JPS57159713A Antiallergic drug
JPS53121763A Flavanone sweetening compounds