Inventor · disambiguated record
Takenori Hitaka
Also filed as: HITAKA TAKENORI
16 granted patents·2 pending applications·313 citations·filing 1976–2014
95Inventor score
Top patents by PatentIndex Score
18 records- 0195US9346822B2Thienopyrimidine compounds and use thereofTAKEDA PHARMACEUTICAL·Filed 2014·Granted May 24, 2016·36 cites·8 claims
- 0294US8735401B2Thienopyrimidine compounds and use thereofCHO NOBUO·Filed 2011·Granted May 27, 2014·28 cites·3 claims
- 0394US7300935B2Thienopyrimidine compounds and use thereofTAKEDA PHARMACEUTICAL·Filed 2004·Granted Nov 27, 2007·58 cites·2 claims
- 0493US8058280B2Substituted thieno[2,3-d]pyrimidin-2,4-dione compounds and uses thereofCHO NOBUO·Filed 2007·Granted Nov 15, 2011·29 cites·12 claims
- 0591US4997838APyrrolopyrimidine derivatives, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1989·Granted Mar 5, 1991·28 cites·30 claims
- 0690US5106974APyrrolopyrimidine derivativesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1990·Granted Apr 21, 1992·32 cites·5 claims
- 0785US6716863B2Heterocyclic compounds their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 2001·Granted Apr 6, 2004·23 cites·30 claims
- 0883US7569570B2Thienopyrimidines, process for preparing the same and use thereofTAKEDA PHARMACEUTICAL·Filed 2003·Granted Aug 4, 2009·20 cites·11 claims
- 0979US5496946AProduction of pyrrolopyrimidines and intermediates thereforTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1994·Granted Mar 5, 1996·19 cites·13 claims
- 1070US8883788B2Fused heterocyclic ring compoundHASUI TOMOAKI·Filed 2011·Granted Nov 11, 2014·4 cites·8 claims
- 1169US5349064AProduction of pyrrolopyrimidinesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1993·Granted Sep 20, 1994·11 cites·7 claims
- 1266US4132789A7-[2-(2-Imino-4-thiazolin-4-yl)-2-sulfoacetamido]cephalosporins and antibacterial compositions containing themTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1976·Granted Jan 2, 1979·6 cites·7 claims
- 1364US5539113APyrrolopyrimidine derivatives, their productionTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1993·Granted Jul 23, 1996·6 cites·1 claims
- 1461US7141598B2Imidazole derivatives, production method thereof and use thereofTAKEDA PHARMACEUTICAL·Filed 2001·Granted Nov 28, 2006·1 cites·21 claims
- 1553US5354754APyrrolopyrimidines, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1993·Granted Oct 11, 1994·9 cites·5 claims
- 1650US5496822ACompounds and methods for treating tumorsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1994·Granted Mar 5, 1996·3 cites·15 claims
- 1748US2004024035A1Heterocyclic compounds, their production and useFiled 2003·Application pending·0 cites
- 1842US2008176906A1Substituted Pyrrole DerivativeTAKEDA PHARMACEUTICAL·Filed 2005·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Takenori Hitaka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →