Inventor
Saburo Furukawa
Inventor
Nagano, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography50%
C04BLime, magnesia10%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like10%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them10%
G03DApparatus for processing exposed photographic materials10%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices10%
PatentTitleYear
7,463,859'Waste toner transporting device with screw for transporting waste toner to waste toner discharge port'20087,133,631'Transfer device, with transfer pressure control'20066,081,680'Image forming apparatus which prevents permanent deformation and excessive vibration of the image supporter and image formation unit using the same'20005,937,244'Image forming apparatus having a flexible cylindrical thin image carrier'19995,893,019'Fusing device with rollers having different speeds, and image forming apparatus using same'19995,313,248'Heat protection of photosensitive elements in image formation apparatus'19944,464,424'Concrete joint sealant plate and process for manufacturing thereof'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984Patents assigned to AOI CHEMICAL (1)· patent assignee history
1984Based in Hiroshima, JP· patent location history
1994–2008Patents assigned to SEIKO EPSON CORP (6)· patent assignee history
1994Based in Suwa, JP· patent location history
1999–2008Based in Nagano, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEIKO EPSON CORP | 6 | 1994–2008 |
| AOI CHEMICAL | 1 | 1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagano, JP | 5 | 1999–2008 |
| Suwa, JP | 1 | 1994 |
| Hiroshima, JP | 1 | 1984 |