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Inventor

Takahiro Yasunaga

Inventor
Ebina, JP

Overview

2→
Patents
1999–2008
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G03Gprimary
G03GElectrography40%
B29CShaping or joining of plastics20%
F16CShafts20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
7,352,983'Development magnet roller, development device, process cartridge and image forming apparatus'20085,970,294'Cylindrical structural body for use in an image forming apparatus and method of producing the same'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2008Patents assigned to RICOH KK (2)· patent assignee history
1999Based in Kanagawa, JP· patent location history
2008Based in Ebina, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK21999–2008
Locations
LocationPatentsSpan
Ebina, JP12008
Kanagawa, JP11999