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Inventor

Yoshiya Ishiyama

Inventor
Kawasaki, JP

Overview

3→
Patents
1998–2003
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
G03GElectrography67%
B41JTypewriters33%
PatentTitleYear
6,634,818'Feeder, image-forming device, and remaining amount detecting method'20035,852,757'Electrophotographic image forming apparatus having a device for recovering residual toner'19985,848,343'Electrophotographic image-forming apparatus with uniform toner usage control'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to FUJITSU LTD (2)· patent assignee history
1998–2003Based in Kawasaki, JP· patent location history
2003Patents assigned to FUJI XEROX CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD21998
FUJI XEROX CO LTD12003
Locations
LocationPatentsSpan
Kawasaki, JP31998–2003