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Inventor

Katsuya Ishikawa

Inventor
Tokyo, JP

Overview

4→
Patents
1998–2000
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C07Dprimary
C07DHeterocyclic compounds57%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations29%
A61KPreparations for medical, dental or toiletry purposes14%
PatentTitleYear
6,090,802'1- Methylcarbapenem derivatives'20005,977,097'1-methylcarbapenem derivatives'19995,866,564'Carbapenem derivatives, their preparation and their use as antibiotics'19995,712,267'Carbapenem derivatives, their preparation and their use as antibiotics'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2000Patents assigned to SANKYO CO (4)· patent assignee history
1998–2000Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SANKYO CO41998–2000
Locations
LocationPatentsSpan
Tokyo, JP41998–2000