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Inventor

Keizo Kan

Inventor
Tokushima, JP

Overview

11→
Patents
1996–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 11 as inventor

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

C07Dprimary
C07DHeterocyclic compounds43%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations39%
A61KPreparations for medical, dental or toiletry purposes13%
C07CAcyclic or carbocyclic compounds4%
PatentTitleYear
10,889,570Benzazepine derivatives20218,940,727'Benzazepine compound'20158,551,999'Heterocyclic compound and pharmaceutical composition thereof'20138,236,826'Diarylether derivatives as antitumor agents'20128,188,277'Aromatic compounds for suppressing the generation of collagen'20126,642,223'Benzoheterocyclic derivatives'20036,335,327'Benzoheterocyclic derivatives'20026,096,735'Benzoheterocyclic derivatives'20006,096,736'Benzazepine derivatives with vasopressin agonistic activity'20005,677,299'Benzoheterocyclic compounds'19975,498,609'Benzoazepinyl compounds as oxytocin and vasopressin antagonists'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2021Patents assigned to OTSUKA PHARMA CO LTD (10)· patent assignee history
1996–2012Based in Tokushima, JP· patent location history
2012–2015Patents assigned to KAN KEIZO (4)· patent assignee history
2012–2013Patents assigned to KODAMA TAKESHI (3)· patent assignee history
2012–2013Patents assigned to KOJIMA YUTAKA (3)· patent assignee history
2012–2013Patents assigned to MIYAJIMA KEISUKE (3)· patent assignee history
2013–2021Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OTSUKA PHARMA CO LTD101996–2021
KAN KEIZOself42012–2015
KODAMA TAKESHI32012–2013
KOJIMA YUTAKA32012–2013
MIYAJIMA KEISUKE32012–2013
Locations
LocationPatentsSpan
Tokushima, JP81996–2012
Osaka, JP32013–2021