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Inventor

Masato Umeda

Inventor
Sakado, JP

Overview

3→
Patents
1988–1990
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F16Cprimary
F16CShafts33%
F16DCouplings for transmitting rotation33%
F16JPistons33%
PatentTitleYear
4,967,609'Flexible boot'1990D0297675'Electric vacuum cleaner'1988D0297475'Electric vacuum cleaner'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to TOKYO ELECTRIC CO LTD (2)· patent assignee history
1988Patents assigned to KK TOSHIBA A/T/A TOSHIBA CORPORATION (1)· patent assignee history
1988Patents assigned to TOSHIBA KK (1)· patent assignee history
1988Based in Sakado, JP· patent location history
1990Patents assigned to KEEPER KK (1)· patent assignee history
1990Based in Yokosuka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOKYO ELECTRIC CO LTD21988
KEEPER KK11990
KK TOSHIBA A/T/A TOSHIBA CORPORATION11988
TOSHIBA KK11988
Locations
LocationPatentsSpan
Sakado, JP21988
Yokosuka, JP11990