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Inventor

Kenji Matsui

Inventor
Tsukuba, JP

Overview

2→
Patents
1985–2007
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes25%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%
C07DHeterocyclic compounds25%
H02KDynamo-electric machines25%
PatentTitleYear
7,253,286'Nitrogen-containing aromatic derivatives'20074,559,461'Stepping motor'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to JECO KK (1)· patent assignee history
1985Based in Konosu, JP· patent location history
2007Patents assigned to EISAI CO LTD (1)· patent assignee history
2007Based in Tsukuba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EISAI CO LTD12007
JECO KK11985
Locations
LocationPatentsSpan
Tsukuba, JP12007
Konosu, JP11985