Inventor

Seiji Yoshikawa

Inventor
Ibaraki, JP

Overview

9→
Patents
2003–2011
Patent span
Human necessities
Primary field (CPC A)

Patents· 9 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 preparations40%
C07DHeterocyclic compounds40%
A61KPreparations for medical, dental or toiletry purposes15%
C07CAcyclic or carbocyclic compounds5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2006Patents assigned to EISAI CO LTD (5)· patent assignee history
2003–2006Based in Ibaraki, JP· patent location history
2007–2011Patents assigned to EISAI R&D MAN CO LTD (4)· patent assignee history
2007Based in Tsukuba, JP· patent location history
2009–2011Based in Kashima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EISAI CO LTD52003–2006
EISAI R&D MAN CO LTD42007–2011
Locations
LocationPatentsSpan
Ibaraki, JP52003–2006
Kashima, JP32009–2011
Tsukuba, JP12007