Inventor
Yoshihide Kawamura
Inventor
Shizuoka, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography38%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers13%
LOC168%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B24BMachines, devices, or processes for grinding or polishing4%
B29CShaping or joining of plastics4%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%
C08BPolysaccharides4%
C08LCompositions of macromolecular compounds4%
C12NMicroorganisms or enzymes4%
PatentTitleYear
10,201,886Polishing pad and method for manufacturing the same20198,532,522'Toner cartridge'20138,233,818'Inner cap for toner container and toner container'20127,505,718'Container, toner container, image forming apparatus, and image forming process'20097,313,349'Toner container and image forming apparatus'20077,149,462'Container, toner container, image forming apparatus, and image forming process'2006D0532037'Toner cartridge'2006D0531662'Toner cartridge'20066,336,020'Image forming apparatus having an improved developer-supplying mechanism and method thereof'20026,298,208'Toner container for an image forming apparatus'20016,104,900'Image forming apparatus having an improved developer-supplying mechanism and method thereof'20006,088,561'Toner cartridge, image formation apparatus comprising toner cartridge, and method of recycling the toner cartridge'20005,508,185'Lipase immobilized on a chitosan carrier'19964,833,237'Process for producing granular porous chitosan'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1996Patents assigned to FUJI SPINNING CO LTD (2)· patent assignee history
1989–2013Based in Shizuoka, JP· patent location history
2000–2009Patents assigned to RICOH KK (9)· patent assignee history
2000–2002Based in Suntou-gun, JP· patent location history
2006–2012Based in Numazu, JP· patent location history
2012–2013Patents assigned to HASEGAWA MASASHI (2)· patent assignee history
2012–2013Patents assigned to KAWAMURA YOSHIHIDE (2)· patent assignee history
2012–2013Patents assigned to RICOH CO LTD (2)· patent assignee history
2019Based in Saijo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 9 | 2000–2009 |
| FUJI SPINNING CO LTD | 2 | 1989–1996 |
| HASEGAWA MASASHI | 2 | 2012–2013 |
| KAWAMURA YOSHIHIDEself | 2 | 2012–2013 |
| RICOH CO LTD | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shizuoka, JP | 7 | 1989–2013 |
| Numazu, JP | 4 | 2006–2012 |
| Suntou-gun, JP | 2 | 2000–2002 |
| Saijo, JP | 1 | 2019 |