Inventor · disambiguated record
Masaki Tsushima
Also filed as: TSUSHIMA MASAKI
10 granted patents·2 pending applications·63 citations·filing 1993–2015
86Inventor score
Top patents by PatentIndex Score
12 records- 0185US6790854B2Diphenylalkylamine derivatives useful as opioid receptor agonistsMEIJI SEIKA KAISHA·Filed 2001·Granted Sep 14, 2004·37 cites·20 claims
- 0278US9260465B2Aminoglycoside antibioticsMEIJI SEIKA PHARMA CO LTD·Filed 2013·Granted Feb 16, 2016·3 cites·8 claims
- 0374US8148504B2Aminoglycoside antibioticsKOBAYASHI YOSHIHIKO·Filed 2007·Granted Apr 3, 2012·2 cites·10 claims
- 0468US5661144ACephem derivatives with 3-substituted bis heterocyclesMEIJI SEIKA CO·Filed 1995·Granted Aug 26, 1997·14 cites·8 claims
- 0562US6916822B2Phenoxyalkylamine derivatives useful as opioid δ receptor agonistsMEIJI SEIKA KAISHA·Filed 2001·Granted Jul 12, 2005·2 cites·10 claims
- 0656US2016152653A1Novel aminoglycoside antibioticsMEIJI SEIKA PHARMA CO LTD·Filed 2015·Application pending·0 cites
- 0754US8541394B2Aminoglycoside antibioticsKOBAYASHI YOSHIHIKO·Filed 2012·Granted Sep 24, 2013·0 cites·5 claims
- 0846US2005148583A1Phenoxyalkylamine derivatives useful as opioid delta receptor ligandsMEIJI SEIKA KAISHA·Filed 2005·Application pending·0 cites
- 0938US5607927ACephalosporin derivativeMEIJI SEIKA KAISHA·Filed 1995·Granted Mar 4, 1997·3 cites·2 claims
- 1036US5663162ACephem derivativesMEIJI SEIKA CO·Filed 1994·Granted Sep 2, 1997·1 cites·21 claims
- 1132US5461044ACephalosporin derivativesMEIJI SEIKA KAISHA·Filed 1995·Granted Oct 24, 1995·1 cites·3 claims
- 1229US5464829ACephalosporin derivativesMEIJI SEIKA KAISHA·Filed 1993·Granted Nov 7, 1995·0 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Masaki Tsushima 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 →