Inventor
Shinya Karasawa
Inventor
Kanagawa, JP
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography59%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems12%
F16NLubricating9%
B08BCleaning in general3%
F16JPistons3%
G06FElectric digital data processing3%
H01LSemiconductor devices3%
H10DInorganic electric semiconductor devices3%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications3%
PatentTitleYear
10,281,866Image forming apparatus and process cartridge20199,755,509'Control circuit for switching power supply'20179,722,486'Protection circuit'20179,673,706'Buck DC/DC converter and control IC thereof, communication machine for office, electric bicycle'20179,632,475'Lubricant applicator, image forming apparatus, and process cartridge'20179,500,996'Sealing member, toner conveying device, and image forming apparatus'20169,429,895'Cleaning device and image forming apparatus'20169,395,678'Waste toner container and image forming apparatus'20169,122,225'Lubricant applicator, image forming apparatus, and process cartridge'20159,037,038'Image carrier surface treatment device, process cartridge, and image forming apparatus'20159,031,469'Image forming apparatus and process cartridge incorporated therein'20158,989,619'Image forming apparatus having transfer belt contact and separating mechanism interfering with removable unit'20158,958,737'Lubricant Supplying Device, Process Cartridge, and Image Forming Apparatus'20158,934,808'Charging device, including a cleaning device to clean a charging roller'20158,918,016'Process cartridge and image forming apparatus including same'20148,676,107'Lubricant applying device, process cartridge, and image forming apparatus'20148,655,205'Waste toner container and image forming apparatus including same'20148,620,203'Waste toner container and image forming apparatus incorporating same'20138,396,408'Cleaning device, process cartridge, and image forming apparatus'20138,280,293'Image forming apparatus'20128,204,400'Charging device capable of efficiently charging image carrier'20128,103,207'Lubricant application apparatus, process cartridge, and image forming apparatus using same'20127,755,340'Step-up switching regulator with soft start circuits'20107,583,925'Lubricant application device, process cartridge, and image forming apparatus'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2013Based in Kawasaki, JP· patent location history
2010–2017Based in Kyoto, JP· patent location history
2012–2019Patents assigned to KARASAWA SHINYA (19)· patent assignee history
2012–2019Patents assigned to RICOH CO LTD (19)· patent assignee history
2012–2019Based in Kanagawa, JP· patent location history
2013–2019Patents assigned to IWASAKI TAKUMA (12)· patent assignee history
2013–2019Patents assigned to OKAMOTO MICHIYA (12)· patent assignee history
2013–2015Patents assigned to AMEMIYA KEN (9)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KARASAWA SHINYAself | 19 | 2012–2019 |
| RICOH CO LTD | 19 | 2012–2019 |
| IWASAKI TAKUMA | 12 | 2013–2019 |
| OKAMOTO MICHIYA | 12 | 2013–2019 |
| AMEMIYA KEN | 9 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 16 | 2012–2019 |
| Kyoto, JP | 4 | 2010–2017 |
| Kawasaki, JP | 4 | 2009–2013 |