Inventor
Toshio Honjo
Inventor
Kashiwa, JP
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography95%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
8,628,905'Ferrite core material for resin-filled type carrier, resin-filled type carrier, and electrophotographic developer using the carrier'20148,092,971'Resin-coated carrier for electrophotographic developer and process for producing the same, and electrophotographic developer comprising the resin-coated carrier'20127,824,833'Resin-coated ferrite carrier for electrophotographic developer, its production method, and electrophotographic developer using the resin-coated ferrite carrier'20107,598,011'Irregular shaped ferrite carrier and electrophotographic developer using the ferrite carrier'20097,566,519'Carrier for electrophotographic developer, and electrophotographic developer using the same'20097,521,163'Resin-coated ferrite carrier for electrophotographic developer, its production method, and electrophotographic developer using the resin-coated ferrite carrier'20097,442,483'Ferrite carrier for electrophotographic developer and method for preparing the same, and electrophotographic developer using the same'20086,124,068'Carrier for electrophotographic development and electrophotographic developer containing the same'20006,071,663'Carrier for electrophotographic development and electrophotographic developer containing the same'20005,976,747'Ferrite carrier for electrophotographic developer and electrophotographic developer containing the same'19995,965,317'Regeneration of carrier and electrophotographic developer containing regenerated carrier'19995,595,850'Ferrite carrier for electrophotographic developer and developer containing the carrier'19975,518,849'Ferrite carrier for electrophotographic developer and developer using said carrier'19965,491,042'Method for manufacturing a resin-coated carrier for an electrophotographic developer'19965,466,552'Ferrite carrier for electrophotographic developer and developer containing the carrier'19955,419,994'Carrier for electrophotographic developer, process for preparing the same and developer prepared by using said carrier'19955,204,204'Carrier for developing electrostatic latent image'19934,977,054'Developer for electrostatic image comprising coated carrier'19904,871,639'Carrier for electrophotographic developer'19894,861,694'Process for producing carriers for developer'19894,598,034'Ferrite carriers for electrophotographic development'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1990Patents assigned to NIPPON IRON POWDER CO (4)· patent assignee history
1986Based in Abiko, JP· patent location history
1989Patents assigned to FUJI XEROX CO LTD (2)· patent assignee history
1989–1999Based in Chiba, JP· patent location history
1993–2014Patents assigned to POWDERTECH CO LTD (17)· patent assignee history
1993–2014Based in Kashiwa, JP· patent location history
2012–2014Patents assigned to HONJO TOSHIO (2)· patent assignee history
2012Patents assigned to HOJO HIRONORI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| POWDERTECH CO LTD | 17 | 1993–2014 |
| NIPPON IRON POWDER CO | 4 | 1986–1990 |
| FUJI XEROX CO LTD | 2 | 1989 |
| HONJO TOSHIOself | 2 | 2012–2014 |
| HOJO HIRONORI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kashiwa, JP | 15 | 1993–2014 |
| Chiba, JP | 5 | 1989–1999 |
| Abiko, JP | 1 | 1986 |