Inventor

Yoshikazu Iwasawa

Inventor
Tsukuba, JP

Overview

25→
Patents
1993–2018
Patent span
Chemistry
Primary field (CPC C)

Patents· 25 as inventor

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

C07Dprimary
C07DHeterocyclic compounds45%
C07CAcyclic or carbocyclic compounds25%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations19%
A61KPreparations for medical, dental or toiletry purposes8%
C07BGeneral methods of organic chemistry4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2011Patents assigned to BANYU PHARMA CO LTD (23)· patent assignee history
1993Based in Oiso, JP· patent location history
1994–1995Based in Tokyo, JP· patent location history
1995–2018Based in Tsukuba, JP· patent location history
2016–2018Patents assigned to TAIHO PHARMACEUTICAL CO LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BANYU PHARMA CO LTD231993–2011
TAIHO PHARMACEUTICAL CO LTD22016–2018
Locations
LocationPatentsSpan
Tsukuba, JP221995–2018
Tokyo, JP21994–1995
Oiso, JP11993