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Inventor

Eiji Gyoutoku

Inventor
Osaka, JP

Overview

9→
Patents
1997–2013
Patent span
Physics
Primary field (CPC G)

Patents· 9 as inventor

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

G03Gprimary
G03GElectrography100%
PatentTitleYear
8,611,789'Image forming apparatus including demountable developing unit'20138,346,137'Developing device and image-forming apparatus provided therewith'20137,920,799'Image forming apparatus for controlling replenishing toner into developing device'20117,555,230'Image forming apparatus that generates a different light pattern for different development apparatuses'20097,519,309'Image forming device'20097,502,578'Electrophotographic development apparatus'20097,346,307'Amorphous and spherical toner cleaning unit and image forming apparatus loading the same'20087,340,205'Full-color electrophotographic image forming apparatus'20085,688,622'Developing method'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to MINOLTA CO LTD (1)· patent assignee history
1997Based in Amagasaki, JP· patent location history
2008–2011Patents assigned to KYOCERA MITA CORP (6)· patent assignee history
2008–2013Based in Osaka, JP· patent location history
2009Based in Chuo-ku, JP· patent location history
2009Based in Hyogo, JP· patent location history
2009Based in Itami, JP· patent location history
2013Patents assigned to GYOUTOKU EIJI (2)· patent assignee history
2013Patents assigned to KYOCERA DOCUMENT SOLUTIONS INC (2)· patent assignee history
2013Patents assigned to KUBO NORIO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KYOCERA MITA CORP62008–2011
GYOUTOKU EIJIself22013
KYOCERA DOCUMENT SOLUTIONS INC22013
KUBO NORIO12013
MINOLTA CO LTD11997
Locations
LocationPatentsSpan
Osaka, JP52008–2013
Chuo-ku, JP12009
Hyogo, JP12009
Itami, JP12009
Amagasaki, JP11997