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Inventor

Yoshisaburo Yoshida

Inventor
Osaka, JP

Overview

4→
Patents
1977–1982
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G06Fprimary
G06FElectric digital data processing29%
LOCD129%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation14%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
4,336,530'Thin keyboard with changeable key indicia'19824,209,735'Solar battery powered electronic calculator'1980D0246351'Digital clock'1977D0245765'Clock'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1982Patents assigned to SHARP KK (4)· patent assignee history
1977Based in Osaka, JP· patent location history
1980Based in Nara, JP· patent location history
1982Based in Yaita, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHARP KK41977–1982
Locations
LocationPatentsSpan
Osaka, JP21977
Yaita, JP11982
Nara, JP11980