Inventor

Masatsugu Maejima

Inventor
Tokyo, JP

Overview

9→
Patents
1977–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 9 as inventor

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

C25Dprimary
C25DProcesses for the electrolytic or electrophoretic production of coatings24%
A61FFilters implantable into blood vessels12%
A61LMethods or apparatus for sterilising materials or objects in general12%
C23CCoating metallic material12%
H01BCables12%
Y10TTechnical subjects covered by former us classification12%
C23DEnamelling of, or applying a vitreous layer to, metals6%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers6%
H05KPrinted circuits6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1994Patents assigned to FUJIKURA LTD (7)· patent assignee history
1977–2020Based in Tokyo, JP· patent location history
1988Patents assigned to SONY CORP (1)· patent assignee history
1994Patents assigned to SKY ALUMINIUM (1)· patent assignee history
2018–2020Patents assigned to PROSTEC CO LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJIKURA LTD71977–1994
PROSTEC CO LTD22018–2020
SKY ALUMINIUM11994
SONY CORP11988
Locations
LocationPatentsSpan
Tokyo, JP91977–2020