LexDanaLexDanabeta
Inventor

Seiji Katayama

Inventor
Toyonaka, JP

Overview

2→
Patents
2002–2008
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 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 preparations50%
C07DHeterocyclic compounds50%
PatentTitleYear
7,329,665'Quinazolinone derivative'20086,495,587'Tricyclic indole-2-carboxylic acid compound used as NMDA receptor antagonist'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002Patents assigned to SUMITOMO PHARMA (1)· patent assignee history
2002Based in Nishinomiya, JP· patent location history
2008Patents assigned to DAINIPPON SUMITOMO PHARMA CO (1)· patent assignee history
2008Based in Toyonaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAINIPPON SUMITOMO PHARMA CO12008
SUMITOMO PHARMA12002
Locations
LocationPatentsSpan
Toyonaka, JP12008
Nishinomiya, JP12002