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Inventor

Keizo Hirase

Inventor
Osaka, JP

Overview

2→
Patents
2012–2015
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
8,933,105'Pyrrole compounds'20158,334,301'5-Membered heterocyclic compound'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2015Patents assigned to ARIKAWA YASUYOSHI (2)· patent assignee history
2012–2015Patents assigned to HIRASE KEIZO (2)· patent assignee history
2012–2015Patents assigned to NISHIDA HARUYUKI (2)· patent assignee history
2012–2015Patents assigned to TAKEDA PHARMACEUTICAL (2)· patent assignee history
2012–2015Based in Osaka, JP· patent location history
2015Patents assigned to KAJINO MASAHIRO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ARIKAWA YASUYOSHI22012–2015
HIRASE KEIZOself22012–2015
NISHIDA HARUYUKI22012–2015
TAKEDA PHARMACEUTICAL22012–2015
KAJINO MASAHIRO12015
Locations
LocationPatentsSpan
Osaka, JP22012–2015