Inventor · disambiguated record
Susumu Ohtsuka
Also filed as: OHTSUKA SUSUMU
4 granted patents·1 pending application·8 citations·filing 1988–2006
67Inventor score
Top patents by PatentIndex Score
5 records- 0159US5041679ABeta-hydroxyketone and its productionSUMITOMO CHEMICAL CO·Filed 1988·Granted Aug 20, 1991·5 cites·6 claims
- 0256US7094914B2Process for producing chromone compoundONO PHARMACEUTICAL CO·Filed 2003·Granted Aug 22, 2006·1 cites·6 claims
- 0356US6861566B2Process for producing 1-chloro-4-arylbutaneSUMITOMO CHEMICAL CO·Filed 2002·Granted Mar 1, 2005·2 cites·10 claims
- 0451US2006217565A1Process for producing chromone compoundHIBINO HIROAKI·Filed 2006·Application pending·0 cites
- 0531US5101076Aβ-hydroxyketone and its productionSUMITOMO CHEMICAL CO·Filed 1991·Granted Mar 31, 1992·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →