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Inventor

Masanao Sanagi

Inventor
Tsukuba, JP

Overview

4→
Patents
2004–2012
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 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 purposes20%
PatentTitleYear
8,153,658'Piperidine derivative or salt thereof'20127,585,886'Pyrrolidine derivative or salt thereof'20097,056,910'1,4,5.6-tetrahydroimidazo[4,5-d]diazepine derivatives or salts thereof'20066,774,131'Remedies for endothelin-induced diseases'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2006Based in Tsukuba, JP· patent location history
2006–2012Patents assigned to ASTELLAS PHARMA INC (3)· patent assignee history
2009Based in Chuo-ku, JP· patent location history
2012Patents assigned to HACHIYA SHUNICHIRO (1)· patent assignee history
2012Patents assigned to IBUKA RYOTARO (1)· patent assignee history
2012Patents assigned to IKEGAI KAZUHIRO (1)· patent assignee history
2012Patents assigned to OKU MAKOTO (1)· patent assignee history
2012Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASTELLAS PHARMA INC32006–2012
HACHIYA SHUNICHIRO12012
IBUKA RYOTARO12012
IKEGAI KAZUHIRO12012
OKU MAKOTO12012
Locations
LocationPatentsSpan
Tsukuba, JP22004–2006
Tokyo, JP12012
Chuo-ku, JP12009