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Inventor

Kouichi Iwanaga

Inventor
Hikone, JP

Overview

5→
Patents
1981–1989
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B26Bprimary
B26BHand-held cutting tools not otherwise provided for33%
H02JElectric power networks22%
G01RMeasuring electric variables11%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy11%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
4,829,226'Rechargeable battery pack and charger unit combination'19894,825,546'Hair clipper'19894,442,596'Casing of a washable electric appliance'19844,363,169'Electric shaver'19824,284,944'Battery charging device having battery state indicating function'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1989Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (5)· patent assignee history
1981–1989Based in Hikone, JP· patent location history
1984Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC WORKS LTD51981–1989
Locations
LocationPatentsSpan
Hikone, JP41981–1989
Osaka, JP11984