Inventor
Seiko Itagaki
Inventor
Hachioji, JP
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
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G03GElectrography100%
PatentTitleYear
9,134,650'Developing device and image forming apparatus'20158,811,832'Image forming apparatus'20148,712,308'Lubricant coating device and image forming apparatus'20148,682,229'Developing device with bias voltage and image forming apparatus'20148,666,294'Carrier removing device and image forming apparatus'20148,503,901'Image forming apparatus with a toner contamination detecting device'20138,401,439'Image forming apparatus'20138,369,750'Developing device'20138,369,754'Developing device and image forming apparatus'20138,244,164'Image forming apparatus with two developing rollers, and an electrode therebetween'20128,175,502'Developing device, image forming apparatus and developing roller'20127,801,470'Developing device, process unit, and image forming apparatus'20107,512,351'Image forming apparatus which suppresses selective development of toner'20097,362,990'Image forming apparatus'20087,356,289'Image forming apparatus with toner forced discharge mode'20087,343,122'Image forming apparatus for preventing worm-shaped image irregularities'20087,343,111'Electrophotographic image forming apparatus for forming toner images onto different types of recording materials based on the glossiness of the recording materials'20087,340,189'Image forming apparatus and image adjusting method'20087,251,440'Development apparatus and image formation apparatus'20076,985,685'Developing device and image forming apparatus'20066,798,999'Image forming apparatus'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2014Based in Hachioji, JP· patent location history
2006–2014Patents assigned to KONICA MINOLTA BUSINESS TECH (19)· patent assignee history
2010–2015Based in Tokyo, JP· patent location history
2012–2014Patents assigned to ITAGAKI SEIKO (10)· patent assignee history
2012–2014Patents assigned to MINEGISHI NATSUKO (7)· patent assignee history
2012–2014Patents assigned to SAITO HIROYUKI (6)· patent assignee history
2012–2013Patents assigned to AKITA HIROSHI (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KONICA MINOLTA BUSINESS TECH | 19 | 2006–2014 |
| ITAGAKI SEIKOself | 10 | 2012–2014 |
| MINEGISHI NATSUKO | 7 | 2012–2014 |
| SAITO HIROYUKI | 6 | 2012–2014 |
| AKITA HIROSHI | 5 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hachioji, JP | 16 | 2004–2014 |
| Tokyo, JP | 5 | 2010–2015 |