Inventor
Yutaka Naitoh
Inventor
Hyogo, JP
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography86%
C22CAlloys4%
G01RMeasuring electric variables4%
G11BInformation storage based on relative movement between record carrier and transducer4%
H01FMagnets4%
PatentTitleYear
10,788,775Fixing device and image forming apparatus including same202010,527,981Fixing device and image forming apparatus incorporating same202010,317,828Fixing device including a nip formation pad with a porous structure, and image forming apparatus incorporating same20199,740,147'Separator, fixing device, and image forming apparatus'20179,429,891'Fixing device and image forming apparatus'20169,342,044'Fixing device and image forming apparatus and method of assembling the fixing device'20169,261,835'Fixing device and image forming apparatus'20169,182,709'Fixing device, image forming apparatus with same, and method of assembling fixing device'20159,164,435'Fixing device and image forming apparatus'20159,104,150'Fixing unit, image forming apparatus incorporating the fixing unit, and image forming method'20159,063,486'Fixing device and image forming apparatus'20159,046,843'Fixing device and image forming apparatus'20159,008,559'Fixing device with mechanism capable of heating belt effectively and image forming apparatus incorporating same'20158,938,192'Fixing device having pipe heater and image forming apparatus with fixing device'20158,903,275'Fixing device and image forming apparatus incorporating same'20148,693,936'Fixing device and image forming apparatus incorporating same'20148,582,991'Fixing device and image forming apparatus incorporating same'20138,417,137'Fixing device and image forming apparatus employing the fixing device'20138,385,796'Fixing device and image forming apparatus incorporating same'20138,260,186'Toner cartridge with refillable fresh and residual toner chambers, process cartridge, and method of making toner cartridge reusable'20128,103,195'Toner agitating unit, toner hopper, process cartridge, and image forming apparatus'20128,095,041'Fixing device and image forming apparatus'20127,945,203'Waste-toner collecting device, process cartridge, and image forming apparatus'20117,890,017'Fixing device and image forming apparatus'20116,232,775'Magneto-impedance element, and azimuth sensor, autocanceler and magnetic head using the same'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001Based in Niigata, JP· patent location history
2011–2020Patents assigned to RICOH CO LTD (24)· patent assignee history
2011–2017Based in Hyogo, JP· patent location history
2012–2020Patents assigned to NAITOH YUTAKA (20)· patent assignee history
2013–2014Based in Itami, JP· patent location history
2014–2017Patents assigned to FUJII TOMOHIKO (10)· patent assignee history
2014–2017Patents assigned to ADACHI TOMOYA (9)· patent assignee history
2015–2017Patents assigned to FUJIWARA HITOSHI (9)· patent assignee history
2019–2020Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH CO LTD | 24 | 2011–2020 |
| NAITOH YUTAKAself | 20 | 2012–2020 |
| FUJII TOMOHIKO | 10 | 2014–2017 |
| ADACHI TOMOYA | 9 | 2014–2017 |
| FUJIWARA HITOSHI | 9 | 2015–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hyogo, JP | 18 | 2011–2017 |
| Kanagawa, JP | 3 | 2019–2020 |
| Itami, JP | 3 | 2013–2014 |
| Niigata, JP | 1 | 2001 |