Inventor

Keiichi Kuwahara

Inventor

Ako, JP

Overview

2→

Patents

1998–2000

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.

C07Dprimary

C07DHeterocyclic compounds33%

A61KPreparations for medical, dental or toiletry purposes17%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations17%

A61QSpecific use of cosmetics or similar toiletry preparations17%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium17%

PatentTitleYear

6,133,264'Carbostyril derivatives for inhibiting skin erythema and/or skin pigmentation'2000 5,786,367'Cyclic amide derivatives'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2000Patents assigned to OTSUKA PHARMA CO LTD (2)· patent assignee history

1998–2000Based in Ako, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OTSUKA PHARMA CO LTD	2	1998–2000

Locations

Location	Patents	Span
Ako, JP	2	1998–2000