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Inventor

Masayoshi Watanuki

Inventor
Yokohama, JP

Overview

4→
Patents
1988–1999
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.

G03Gprimary
G03GElectrography40%
G06KGraphical data reading20%
G06VImage or video recognition or understanding20%
H04NPictorial communication, e.g. television20%
PatentTitleYear
5,949,922'Image reading apparatus'19995,327,260'Image processing apparatus for smoothing edges of image'19945,010,372'Black-and-white and color copier operable at different processing speeds'19914,766,463'Image forming apparatus'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1999Patents assigned to RICOH KK (4)· patent assignee history
1988–1994Based in Yokohama, JP· patent location history
1991Patents assigned to SHINKO ELECTRIC CO LTD (1)· patent assignee history
1999Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK41988–1999
SHINKO ELECTRIC CO LTD11991
Locations
LocationPatentsSpan
Yokohama, JP31988–1994
Kanagawa, JP11999