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Inventor

Takeshi Shigenaga

Inventor
Tsukuba, JP

Overview

5→
Patents
2003–2012
Patent span
Human necessities
Primary field (CPC A)

Patents· 5 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 preparations33%
C07DHeterocyclic compounds33%
A61KPreparations for medical, dental or toiletry purposes20%
C07HSugars13%
PatentTitleYear
RE043481'Diazepan derivatives or salts thereof'20127,786,106'Substituted benzene derivatives or salts thereof'20107,504,417'Substituted benzene derivatives or salts thereof'20097,307,074'Diazepan derivatives or salts thereof'20076,642,224'Diazepan derivatives or salts thereof'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2012Based in Tsukuba, JP· patent location history
2007–2012Patents assigned to ASTELLAS PHARMA INC (4)· patent assignee history
2010Based in Tokyo, JP· patent location history
2012Patents assigned to HACHIYA SHUNICHIRO (1)· patent assignee history
2012Patents assigned to HIRAYAMA FUKUSHI (1)· patent assignee history
2012Patents assigned to ISHIHARA TSUKASA (1)· patent assignee history
2012Patents assigned to KAWAZOE SOUICHIROU (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASTELLAS PHARMA INC42007–2012
HACHIYA SHUNICHIRO12012
HIRAYAMA FUKUSHI12012
ISHIHARA TSUKASA12012
KAWAZOE SOUICHIROU12012
Locations
LocationPatentsSpan
Tsukuba, JP42003–2012
Tokyo, JP12010