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Inventor

Kouiti Sagawa

Inventor
Hitachi, JP

Overview

4→
Patents
1992–1993
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A47Lprimary
A47LDomestic washing or cleaning100%
PatentTitleYear
5,214,822'Vacuum Cleaner'19935,144,716'Electric cleaner, method for producing same and mount base and bumper for electric cleaner'19925,134,749'Vacuum cleaner'19925,131,114'Vacuum cleaner'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1993Patents assigned to HITACHI LTD (4)· patent assignee history
1992–1993Based in Hitachi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD41992–1993
Locations
LocationPatentsSpan
Hitachi, JP41992–1993