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Inventor

Yuji Koseki

Inventor
Machida, JP

Overview

5→
Patents
1981–1990
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television71%
G06TImage data processing or generation, in general14%
H03MCoding14%
PatentTitleYear
4,933,771'Facsimile machine having a page printing function'19904,731,658'Facsimile machine using cut sheet of paper'19884,695,898'Facsimile machine using cut sheets of paper'19874,593,323'Facsimile system control apparatus'19864,297,727'Facsimile apparatus'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1990Patents assigned to RICOH KK (5)· patent assignee history
1981–1986Based in Tokyo, JP· patent location history
1987–1988Based in Machida, JP· patent location history
1990Based in Sagamihara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK51981–1990
Locations
LocationPatentsSpan
Machida, JP21987–1988
Tokyo, JP21981–1986
Sagamihara, JP11990