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Inventor

Takutoshi Fujiwara

Inventor
Tokyo, JP

Overview

4→
Patents
1977–1993
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B41Mprimary
B41MPrinting, duplicating, marking, or copying processes40%
G06FElectric digital data processing40%
H04NPictorial communication, e.g. television20%
PatentTitleYear
5,218,673'Information processing system'19934,996,664'File system'19914,067,780'Image recording member'19784,012,292'Image recording member'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1993Patents assigned to CANON KK (4)· patent assignee history
1977–1993Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK41977–1993
Locations
LocationPatentsSpan
Tokyo, JP41977–1993