LexDanaLexDanabeta
Inventor

Akira Kawamata

Inventor
Akita, JP

Overview

4→
Patents
1997–2020
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.

A61Bprimary
A61BDiagnosis50%
A61FFilters implantable into blood vessels17%
A61MDevices for introducing media into, or onto, the body17%
LOC1217%
PatentTitleYear
10,729,418Artificial tendon-forming auxiliary instrument, somatometry instrument, and auxiliary instrument set20208,114,009'Coronary artery bypass grafting device'20127,416,527'Instrument for coronary artery bypass graft surgery'2008D0384011'Automobile tire'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to YOKOHAMA RUBBER CO LTD (1)· patent assignee history
1997Based in Hiratsuka, JP· patent location history
2008–2020Patents assigned to SUMITOMO BAKELITE CO (3)· patent assignee history
2008–2020Based in Akita, JP· patent location history
2012Patents assigned to ARAI HIROKUNI (1)· patent assignee history
2012Patents assigned to ASAI HIDEAKI (1)· patent assignee history
2012Patents assigned to KAWAMATA AKIRA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO BAKELITE CO32008–2020
ARAI HIROKUNI12012
ASAI HIDEAKI12012
KAWAMATA AKIRAself12012
YOKOHAMA RUBBER CO LTD11997
Locations
LocationPatentsSpan
Akita, JP32008–2020
Hiratsuka, JP11997