Inventor

Yoshio Seki

Inventor
Osaka, JP

Overview

13→
Patents
1976–2017
Patent span
Electricity
Primary field (CPC H)

Patents· 13 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television43%
G09GArrangements or circuits for control of indicating devices using static means to present variable information10%
A41DOuterwear5%
A61BDiagnosis5%
B23DPlaning5%
B27BSaws for wood or similar material5%
B63BShips or other waterborne vessels5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
C08JWorking-up5%
C09DCoating compositions, e.g. paints, varnishes or lacquers5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to MITSUI SHIPBUILDING ENG (1)· patent assignee history
1976–2017Based in Tokyo, JP· patent location history
1992–2006Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (9)· patent assignee history
1992–2011Based in Osaka, JP· patent location history
2011Patents assigned to PANASONIC CORP (1)· patent assignee history
2015Patents assigned to SHOWA GLOVE CO (1)· patent assignee history
2015Based in Ibaraki, JP· patent location history
2017Patents assigned to MAKITA CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD91992–2006
MAKITA CORP12017
MITSUI SHIPBUILDING ENG11976
PANASONIC CORP12011
SHOWA GLOVE CO12015
Locations
LocationPatentsSpan
Osaka, JP101992–2011
Tokyo, JP21976–2017
Ibaraki, JP12015