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Inventor

Yutaka Okayama

Inventor
Tokyo, JP

Overview

4→
Patents
1990–1991
Patent span

Patents· 4 as inventor

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

PatentTitleYear
D0320041'Copying machine'1991D0314212'Developing device for copying machine'1991D0310539'Developing device for copying machine'1990D0308885'Developing device for copying machine'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1991Patents assigned to CANON KK (4)· patent assignee history
1990–1991Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK41990–1991
Locations
LocationPatentsSpan
Tokyo, JP41990–1991