Inventor
Shinichi Kawahara
Inventor
Tokyo, JP
Overview
Patents· 41 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography83%
F16NLubricating4%
A47LDomestic washing or cleaning2%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables2%
G06KGraphical data reading2%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes2%
G07BTicket-issuing apparatus2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
9,524,528'Management apparatus and management method'20169,411,299'Lubricant supply device, image forming apparatus, and pressing device'20169,207,625'Lubricant supply device, process unit, image forming apparatus, and process unit manufacturing method'20159,158,267'Waste-toner conveyance device and image forming apparatus'20159,128,452'Lubricant supply system, image forming apparatus, and process cartridge'20158,958,719'Image forming apparatus having replaceable modules'20158,913,923'Image forming apparatus with neutralizer and image forming method'20148,761,654'Cleaning device, process cartridge, and image forming apparatus'20148,725,009'Image forming apparatus'20148,718,530'Lubricant supply device, process cartridge, and image forming apparatus'20148,712,261'Lubricant supplying device, process cartridge, and image forming apparatus'20148,457,541'Image forming apparatus'20138,428,475'Waste toner container and image forming apparatus incorporating same'20138,380,115'Lubricant applicator, image forming apparatus, and process cartridge'20138,315,545'Image forming apparatus utilizing both a transfer belt and a direct transfer member'20128,315,535'Cleaning unit, process cartridge incorporating same, and image forming apparatus incorporating the cleaning unit'20128,280,293'Image forming apparatus'20128,249,468'Image forming apparatus'20128,235,177'Lubricant supply device, image forming apparatus, and pressing device'20128,180,246'Image forming apparatus'20127,826,786'Image forming apparatus, lubricant applying device, transfer device, process cartridge, and toner'20107,725,069'Image forming apparatus and process unit for effectively applying lubricant and cleaning an image carrier'20107,542,712'Lubricant applicator, and image forming apparatus and process cartridge using the lubricant applicator, and method for assembling the process cartridge'20097,496,323'Lubricant applying unit, process cartridge, and image forming apparatus'20097,463,845'Charging device having a first and second pressure with a cleaning member, and process cartridge and image forming apparatus including the charging device'20087,463,852'Image forming apparatus having a developer conveying system and associated methodology'20087,391,991'Process cartridge and image forming apparatus'20087,315,723'Method and apparatus for image forming capable of effectively transporting toner'20087,292,816'Method and apparatus for electrophotographic image forming capable of effectively removing residual toner, a cleaning mechanism used therein, a process cartridge including the cleaning mechanism used in the apparatus, and toner used in the apparatus'20077,209,698'Method and apparatus for image forming capable of using minuscule spherical particles of toner, a process cartridge in use for the apparatus and a toner used in the image forming for obtaining an image with a high thin line reproducibility'20077,106,991'Process cartridge smoothly and stably attached to and detached from an image forming apparatus, and an image forming apparatus including the process cartridge'20067,035,582'Image forming apparatus and process cartridge including lubricant applying device that prevents waste of lubricant'20066,961,535'Image forming apparatus'20056,895,209'Cleaning device and image forming apparatus using the same'20056,813,467'Image forming apparatus'20046,807,390'Image forming apparatus'20046,522,855'Image forming apparatus and developing apparatus preventing uneven image density'20036,337,957'Image forming apparatus and developing device with improved self toner density control'20025,909,609'Image forming apparatus with provisions for supplying toner therein'19995,493,365'Operating section for an image forming apparatus'19964,988,853'Ticket checking/issuing apparatus in which friction holds a ticket while recording/reproducing data'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991Based in Sagamihara, JP· patent location history
1996–2010Patents assigned to RICOH KK (20)· patent assignee history
1996–2016Based in Tokyo, JP· patent location history
2007–2008Based in Katsushika-ku, JP· patent location history
2009Based in Setagaya, JP· patent location history
2012–2016Patents assigned to RICOH CO LTD (19)· patent assignee history
2012–2016Patents assigned to KAWAHARA SHINICHI (18)· patent assignee history
2012–2015Patents assigned to KUWABARA NOBUO (13)· patent assignee history
2012–2015Patents assigned to TOMITA DAISUKE (12)· patent assignee history
2016Based in Kawasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 20 | 1996–2010 |
| RICOH CO LTD | 19 | 2012–2016 |
| KAWAHARA SHINICHIself | 18 | 2012–2016 |
| KUWABARA NOBUO | 13 | 2012–2015 |
| TOMITA DAISUKE | 12 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 36 | 1996–2016 |
| Katsushika-ku, JP | 2 | 2007–2008 |
| Kawasaki, JP | 1 | 2016 |
| Setagaya, JP | 1 | 2009 |
| Sagamihara, JP | 1 | 1991 |