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Inventor

Toshiyuki Negoro

Inventor
Sennan-gun, JP

Overview

4→
Patents
1993–2013
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations40%
C07DHeterocyclic compounds40%
A61KPreparations for medical, dental or toiletry purposes10%
Y02PClimate change mitigation technologies in the production or processing of goods10%
PatentTitleYear
8,415,487'Process for preparing (3R)-2′-(4-bromo-2-fluorobenzyl)spiro-[pyrrolidine-3,4′(1′H)-pyrrolo[1,2-A]pyrazine]-1′,2,3′,5(2H′)-tetraone'20138,058,456'Optically active 3-amino-2,5-dioxopyrrolidine-3-carboxylate, process for production of the compound, and use of the compound'20117,514,452'2-furancarboxylic acid hydrazides and pharmaceutical compositions containing the same'20095,258,382'Tetrahydropyrrolo[1,2-a]pyrazine-4-spiro-3\'-pyrrolidine derivatives, processes for the preparation thereof and pharmaceutical compositions containing the same'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to DAINIPPON PHARMACEUTICAL CO (1)· patent assignee history
1993–2009Based in Osaka, JP· patent location history
2009–2013Patents assigned to DAINIPPON SUMITOMO PHARMA CO (3)· patent assignee history
2011–2013Patents assigned to NEGORO TOSHIYUKI (2)· patent assignee history
2011–2013Patents assigned to TANAKA DAISUKE (2)· patent assignee history
2011–2013Based in Sennan-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAINIPPON SUMITOMO PHARMA CO32009–2013
NEGORO TOSHIYUKIself22011–2013
TANAKA DAISUKE22011–2013
DAINIPPON PHARMACEUTICAL CO11993
Locations
LocationPatentsSpan
Sennan-gun, JP22011–2013
Osaka, JP21993–2009