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Inventor

Yoshinobu Sakamura

Inventor
Hikone, JP

Overview

3→
Patents
1988–1998
Patent span
Electricity
Primary field (CPC H)

Patents· 3 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 for13%
G01CMeasuring distances, levels or bearings13%
G09BEducational or demonstration appliances13%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy13%
H02JElectric power networks13%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems13%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
5,819,199'Portable navigation apparatus for indicating present position on a map with indicated reference latitudinal and longitudinal lines based on surveyed present position data'19985,193,275'Flat-shaped dry shaver'19934,777,424'Battery charger'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1998Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (3)· patent assignee history
1988–1993Based in Hikone, JP· patent location history
1998Based in Kadoma, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC WORKS LTD31988–1998
Locations
LocationPatentsSpan
Hikone, JP21988–1993
Kadoma, JP11998