Inventor
Mugijiroh Uno
Inventor
Isehara, JP
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography91%
B05DProcesses for applying fluent materials to surfaces, in general9%
PatentTitleYear
7,272,354'Cleaning unit and image forming apparatus having multiple cleaning blades'20077,110,696'Cleaning unit, process cartridge, and image forming apparatus'20066,512,901'Method and apparatus for image forming capable of preventing a contamination of a brush-roller charger'20036,033,818'Developing device for an image forming apparatus'20006,022,660'Developer, process cartridge and electrophotographic image forming apparatus that employs the developer and process cartridge'20005,897,243'Electrophotographic recording apparatus configured to switch a bias voltage in a developing unit'19995,879,752'Method of coating a toner conveyor roller'19995,845,183'Developing device for an image forming apparatus'19985,826,144'Developing device for an electrophotographic recording apparatus including bias control of a toner supplying roller'19985,768,665'Image forming apparatus with bias control to prevent undesirable toner deposition'19985,708,942'Developing device for an image forming apparatus'19985,697,026'Developing device having the lengths of two toner transporting rollers and an image bearing member in specific relationships'19975,625,440'Developing device having seals between a toner transport roller and the toner hopper which prevent toner leakage and scattering'19975,625,441'Developing device for an image forming apparatus'19975,625,438'Toner, and devices for electrostatically depositing a uniform application thereof'19975,617,190'Developing device for an image forming apparatus which reduces toner consumption and waste'19975,617,191'Toner conveyor roller and image forming apparatus having the same'19975,610,693'Developing device for an image forming apparatus'19975,552,870'Developing device for an image forming apparatus'19965,489,747'Developing device for an image forming apparatus'19965,486,909'Developing device for an image forming apparatus'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2007Patents assigned to RICOH KK (21)· patent assignee history
1996–2000Based in Isehara, JP· patent location history
2003Based in Kanagawa, JP· patent location history
2006–2007Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 21 | 1996–2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Isehara, JP | 18 | 1996–2000 |
| Tokyo, JP | 2 | 2006–2007 |
| Kanagawa, JP | 1 | 2003 |