Inventor
Mieko Kakegawa
Inventor
Kanagawa, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography63%
H01FMagnets25%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
7,366,454'Long magnet, production method thereof, magnet roller and image forming device'20087,352,983'Development magnet roller, development device, process cartridge and image forming apparatus'20087,203,450'Developing roller, developing apparatus, process cartridge, and image formation apparatus'20077,189,338'Image forming apparatus and developing device therefor'20077,127,199'Developing device and process cartridge with predetermined magnetic force for an image forming apparatus'20067,027,761'Developing device and an image forming apparatus including the same'20066,697,593'Developing device using a developing roller and image forming apparatus including the same'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2008Patents assigned to RICOH KK (7)· patent assignee history
2004–2008Based in Atsugi, JP· patent location history
2006–2008Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 7 | 2004–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 5 | 2006–2008 |
| Atsugi, JP | 2 | 2004–2008 |