Inventor · disambiguated record
Toshiyuki Negoro
Also filed as: NEGORO TOSHIYUKI
4 granted patents·23 citations·filing 1992–2011
71Inventor score
Top patents by PatentIndex Score
4 records- 0176US8058456B2Optically active 3-amino-2,5-dioxopyrrolidine-3-carboxylate, process for production of the compound, and use of the compoundTANAKA DAISUKE·Filed 2007·Granted Nov 15, 2011·1 cites·2 claims
- 0262US7514452B22-furancarboxylic acid hydrazides and pharmaceutical compositions containing the sameDAINIPPON SUMITOMO PHARMA CO·Filed 2003·Granted Apr 7, 2009·4 cites·15 claims
- 0362US5258382ATetrahydropyrrolo[1,2-a]pyrazine-4-spiro-3'-pyrrolidine derivatives, processes for the preparation thereof and pharmaceutical compositions containing the sameDAINIPPON PHARMACEUTICAL CO·Filed 1992·Granted Nov 2, 1993·18 cites·33 claims
- 0455US8415487B2Process for preparing (3R)-2′-(4-bromo-2-fluorobenzyl)spiro-[pyrrolidine-3,4′(1′H)-pyrrolo[1,2-A]pyrazine]-1′,2,3′,5(2H′)-tetraoneTANAKA DAISUKE·Filed 2011·Granted Apr 9, 2013·0 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Toshiyuki Negoro 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 →