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Inventor

Tomofumi Takuwa

Inventor
Tokyo, JP

Overview

9→
Patents
2004–2020
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.

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes33%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations33%
C07DHeterocyclic compounds33%
PatentTitleYear
10,532,048Tetrahydroisoquinolin-1-one derivative or salt thereof202010,016,410Tetrahydroisoquinolin-1-one derivative or salt thereof20189,642,852'Sulfur-containing bicyclic compound'20179,526,719'Tetrahydroisoquinolin-1-one derivative or salt thereof'20169,150,541'Tetrahydroisoquinolin-1-one derivative or salt thereof'20159,051,339'Sulfur-containing bicyclic compound'20158,486,970'Tetrahydroisoquinolin-1-one derivative or salt thereof'20137,196,080'Phenylpyridinecarbonylpiperazinederivative'20076,740,662'Naphthyridine derivatives'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2007Based in Tsukuba, JP· patent location history
2007–2017Patents assigned to ASTELLAS PHARMA INC (3)· patent assignee history
2013–2020Patents assigned to SELDAR PHARMA INC (5)· patent assignee history
2013Patents assigned to HISAMICHI HIROYUKI (1)· patent assignee history
2013Patents assigned to ISHIHARA TSUKASA (1)· patent assignee history
2013Patents assigned to ISHIKAWA NORIKO (1)· patent assignee history
2013–2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SELDAR PHARMA INC52013–2020
ASTELLAS PHARMA INC32007–2017
HISAMICHI HIROYUKI12013
ISHIHARA TSUKASA12013
ISHIKAWA NORIKO12013
Locations
LocationPatentsSpan
Tokyo, JP72013–2020
Tsukuba, JP22004–2007