LexDanaLexDanabeta
Inventor

Tadayuki Sekiya

Inventor
Ichikawa, JP

Overview

3→
Patents
1976–1990
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G03Gprimary
G03GElectrography50%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables25%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them25%
PatentTitleYear
4,901,113'Image-forming device'19904,814,821'Image-forming device'19893,936,041'Automatic original supply device for electronic copying apparatus'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1990Patents assigned to RICOH KK (3)· patent assignee history
1976Based in Yokohama, JP· patent location history
1989–1990Based in Ichikawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK31976–1990
Locations
LocationPatentsSpan
Ichikawa, JP21989–1990
Yokohama, JP11976