Inventor
Akihisa Matsukawa
Inventor
Fuchu, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
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G03GElectrography100%
PatentTitleYear
10,620,568Developing device having magnetic field generating members, image forming apparatus and cartridge202010,209,668Image forming apparatus, process cartridge, developing cartridge, and drum cartridge20199,977,368Developing apparatus, process cartridge, and image forming apparatus20189,971,298Image forming apparatus, process cartridge, developing cartridge, and drum cartridge20189,910,405'Developing device, process cartridge, and image forming apparatus'20189,904,202'Image forming apparatus having potential difference control'20189,835,973Image forming apparatus having cleaner-less developer system20179,727,002'Image forming apparatus having an image bearing member charged with predetermined polarity and potential'20179,465,322'Cartridge and image forming apparatus'20169,442,454'Image forming apparatus having an image bearing member charged with predetermined polarity and potential'20169,429,868'Image forming apparatus'20169,239,546'Developing unit and process cartridge'20168,565,624'Image forming apparatus and process cartridge'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2020Patents assigned to CANON KK (13)· patent assignee history
2013Patents assigned to MATSUKAWA AKIHISA (1)· patent assignee history
2013Patents assigned to YOSHIDA NOBUYOSHI (1)· patent assignee history
2013Based in Suntou-gun, JP· patent location history
2016–2020Based in Fuchu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 13 | 2013–2020 |
| MATSUKAWA AKIHISAself | 1 | 2013 |
| YOSHIDA NOBUYOSHI | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fuchu, JP | 12 | 2016–2020 |
| Suntou-gun, JP | 1 | 2013 |