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Inventor

Shuji Yamazumi

Inventor
Kitakyushu, JP

Overview

2→
Patents
1991–1993
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

A47Lprimary
A47LDomestic washing or cleaning20%
F16CShafts20%
F16LPipes20%
Y02TClimate change mitigation technologies related to transportation20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
5,271,679'Rolling element bearing'19935,042,108'Suction pipe for a vacuum cleaner'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (1)· patent assignee history
1991Based in Youkaichi, JP· patent location history
1993Patents assigned to YASKAWA DENKI SEISAKUSHO KK (1)· patent assignee history
1993Based in Kitakyushu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11991
YASKAWA DENKI SEISAKUSHO KK11993
Locations
LocationPatentsSpan
Kitakyushu, JP11993
Youkaichi, JP11991