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Inventor

Lau S. Keang

Inventor
Penang, MY

Overview

1→
Patents
1997
Patent span
Electricity
Primary field (CPC H)

Patents· 1 as inventor

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

H02Jprimary
H02JElectric power networks50%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests50%
PatentTitleYear
5,631,541'Electronic appliance, recharging method and recharging apparatus'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to SONY CORP (1)· patent assignee history
1997Based in Penang, MY· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP11997
Locations
LocationPatentsSpan
Penang, MY11997