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Inventor

Atsushi Ichikawa

Inventor
Ibaraki, JP

Overview

5→
Patents
1980–2004
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 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 preparations33%
C07DHeterocyclic compounds22%
C07KPeptides22%
A61KPreparations for medical, dental or toiletry purposes11%
C07CAcyclic or carbocyclic compounds11%
PatentTitleYear
6,797,706'Heterocyclecarboxamide derivative'20046,432,963'Pyrimidine-5-carboxamide derivatives'20025,804,415'Prostaglandin E receptors, their DNA and production'19985,576,192'Prostaglandin E receptors, their DNA and production'19964,229,471'N-(2-Ethylhexyl)-crotonamides'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to LION DENTIFRICE CO LTD (1)· patent assignee history
1980Based in Takatsuki, JP· patent location history
1996–1998Patents assigned to TAKEDA CHEMICAL INDUSTRIES LTD (2)· patent assignee history
1996Based in Osaka, JP· patent location history
1998Based in Besshohonmachi, JP· patent location history
2002–2004Patents assigned to YAMANOUCHI PHARMA CO LTD (2)· patent assignee history
2002–2004Based in Ibaraki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAKEDA CHEMICAL INDUSTRIES LTD21996–1998
YAMANOUCHI PHARMA CO LTD22002–2004
LION DENTIFRICE CO LTD11980
Locations
LocationPatentsSpan
Ibaraki, JP22002–2004
Besshohonmachi, JP11998
Osaka, JP11996
Takatsuki, JP11980