Inventor

Tatsuo Matsuda

Inventor
Tochigi, JP

Overview

11→
Patents
1991–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 11 as inventor

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

B65Hprimary
B65HHandling thin or filamentary material, e.g. sheets, webs, cables31%
Y10TTechnical subjects covered by former us classification19%
H01BCables13%
H01RElectrically-conductive connections13%
B23PMetal-working not otherwise provided for6%
F16CShafts6%
G03GElectrography6%
H05KPrinted circuits6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2020Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (4)· patent assignee history
1991–2020Based in Tochigi, JP· patent location history
1992–2001Patents assigned to HITACHI KOKI KK (2)· patent assignee history
1992–2001Based in Ibaraki, JP· patent location history
2008–2013Based in Hitachinaka, JP· patent location history
2010–2013Patents assigned to RICOH CO LTD (3)· patent assignee history
2010Based in Nagano, JP· patent location history
2013Patents assigned to KAWASAKI KAZUHIKO (2)· patent assignee history
2013Patents assigned to MATSUDA TATSUO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO ELECTRIC INDUSTRIES41991–2020
RICOH CO LTD32010–2013
HITACHI KOKI KK21992–2001
KAWASAKI KAZUHIKO22013
MATSUDA TATSUOself22013
Locations
LocationPatentsSpan
Tochigi, JP41991–2020
Hitachinaka, JP42008–2013
Ibaraki, JP21992–2001
Nagano, JP12010