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Inventor

Yasunori Kotaka

Inventor
Hitachi, JP

Overview

2→
Patents
2007
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A47Lprimary
A47LDomestic washing or cleaning33%
B04CApparatus using free vortex flow, e.g. cyclones33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
7,276,099'Electric vacuum cleaner'20077,207,083'Electric vacuum cleaner'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007Patents assigned to HITACHI HOME & LIFE SOLUTIONS (2)· patent assignee history
2007Based in Hitachi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI HOME & LIFE SOLUTIONS22007
Locations
LocationPatentsSpan
Hitachi, JP22007