Inventor · disambiguated record
Masami Takayama
Also filed as: TAKAYAMA MASAMI
18 granted patents·3 pending applications·234 citations·filing 1976–2013
94Inventor score
Files withSHIONOGI & CO9PIONEER ELECTRONIC CORP4IHARA CHEMICAL IND CO3TAKAYAMA MASAMI3KUME MASAHARU1
Top patents by PatentIndex Score
21 records- 0191US7026334B1Thiazolidine compounds and pharmaceutical compositions exhibiting thrombopoietin receptor agonismSHIONOGI & CO·Filed 2000·Granted Apr 11, 2006·32 cites·18 claims
- 0286US7582665B2Compounds exhibiting thrombopoietin receptor agonismSHIONOGI & CO·Filed 2001·Granted Sep 1, 2009·26 cites·6 claims
- 0385US7169931B2Cyclic compounds exhibiting thrombopoietin receptor agonismSHIONOGI & CO·Filed 2002·Granted Jan 30, 2007·22 cites·13 claims
- 0484US5763647APreparation of optically active 1,4-bridged-cyclohexane carboxylic acid derivativesSHIONOGI & CO·Filed 1997·Granted Jun 9, 1998·28 cites·4 claims
- 0578US8530668B2Pharmaceutical composition containing optically active compound having thrombopoietin receptor agonist activity, and intermediate thereforTAKAYAMA MASAMI·Filed 2008·Granted Sep 10, 2013·3 cites·4 claims
- 0678US8349857B2Quinazoline derivatives having tyrosine kinase inhibitory activitySHIONOGI & CO·Filed 2012·Granted Jan 8, 2013·5 cites·14 claims
- 0775US8889722B2Pharmaceutical composition containing optically active compound having thrombopoietin receptor agonist activity, and intermediate thereforSHIONOGI & CO·Filed 2013·Granted Nov 18, 2014·2 cites·7 claims
- 0875US8202879B2Quinazoline derivatives having tyrosine kinase inhibitory activityKUME MASAHARU·Filed 2006·Granted Jun 19, 2012·4 cites·3 claims
- 0971US2010022542A1Compounds exhibiting thrombopoietin receptor agonismSHIONOGI & CO·Filed 2009·Application pending·0 cites
- 1069US7601746B2Compounds exhibiting thrombopoietin receptor agonismSHIONOGI & CO·Filed 2004·Granted Oct 13, 2009·3 cites·24 claims
- 1168US9592755B2Vehicle seatTAKAYAMA MASAMI·Filed 2012·Granted Mar 14, 2017·6 cites·3 claims
- 1268US5390342AReceiver using selective diversity receiving systemPIONEER ELECTRONIC CORP·Filed 1991·Granted Feb 14, 1995·43 cites·8 claims
- 1366US8936310B2Headrest and vehicle seat provided with the sameTAKAYAMA MASAMI·Filed 2012·Granted Jan 20, 2015·6 cites·3 claims
- 1465US2009318513A1Compounds exhibiting thrombopoietin receptor agonismSHIONOGI & CO·Filed 2009·Application pending·0 cites
- 1555US4864642ASpace diversity receiving systemPIONEER ELECTRONIC CORP·Filed 1988·Granted Sep 5, 1989·20 cites·4 claims
- 1653US4246392AMethod for the preparation of polyurethane elastomers based on polyethyleneglycol-bis(4-aminobenzoates)IHARA CHEMICAL IND CO·Filed 1978·Granted Jan 20, 1981·8 cites·4 claims
- 1747US4975658AHigh frequency amplifier circuit with noise figure improvementPIONEER ELECTRONIC CORP·Filed 1989·Granted Dec 4, 1990·7 cites·10 claims
- 1843US5083133AWindow glass antenna for vehiclePIONEER ELECTRONIC CORP·Filed 1991·Granted Jan 21, 1992·13 cites·10 claims
- 1940US4097426ACuring agents for polyurethane foams and elastomers and process of useIHARA CHEMICAL IND CO·Filed 1976·Granted Jun 27, 1978·4 cites·13 claims
- 2040US2004063764A1Halogen compounds having thrombopoietin receptor agonismFiled 2002·Application pending·0 cites
- 2135US4246425A4-Chloro-3,5-diaminophenyl acetates and curing agentIHARA CHEMICAL IND CO·Filed 1979·Granted Jan 20, 1981·2 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Masami Takayama 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 →