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Inventor

Hironao Sone

Inventor
Yokohama, JP

Overview

6→
Patents
1983–1996
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G06Fprimary
G06FElectric digital data processing57%
G04GElectronic time-pieces14%
G06VImage or video recognition or understanding14%
H04LTransmission of digital information, e.g. telegraphic communication14%
PatentTitleYear
5,557,754'Computer system and system expansion unit'19965,539,666'Data communications method and system coupling device'19965,524,217'System having different signal transfer modes for detecting and restoring logical levels and blocking operation when restored signal outputs are on a predetermined level'19965,386,567'Hot removable and insertion of attachments on fully initialized computer systems'19954,771,268'Character recognition device'19884,421,419'Electronic timepiece'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1988Patents assigned to CASIO COMPUTER CO LTD (2)· patent assignee history
1983Based in Kodaira, JP· patent location history
1988Based in Tokyo, JP· patent location history
1995–1996Patents assigned to IBM (4)· patent assignee history
1995–1996Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM41995–1996
CASIO COMPUTER CO LTD21983–1988
Locations
LocationPatentsSpan
Yokohama, JP41995–1996
Tokyo, JP11988
Kodaira, JP11983