Image forming apparatus having a lubricant and developer of opposite polarity
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Apr 10, 2015
filing date -
Apr 17, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An image forming apparatus includes a cartridge including an image bearing member, and a developer bearing member that bears a developer. A lubricant of a polarity opposite to a polarity of the developer is coated on the developer bearing member, with the lubricant being a resin. If the cartridge is new, a discharging operation of discharging the lubricant from a surface of the developer bearing member onto the image bearing member is performed.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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CANON KABUSHIKI KAISHA | JAPAN |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Kawaguchi, Yuji | Tokyo, JP | 67 | 423 |
# of filed Patents : 67 Total Citations : 423 | |||
Motohashi, Satoru | Kashiwa, JP | 32 | 206 |
# of filed Patents : 32 Total Citations : 206 |
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Legal Events
Date | Code | Event | Description |
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Jul 18, 2022 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:INTEL CORPORATION;REEL/FRAME:061175/0176 Owner name: TAHOE RESEARCH, LTD., IRELAND Effective Date: Jul 18, 2022 |
Dec 07, 2020 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Jan 23, 2018 | I | Issuance | |
Jan 03, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Apr 07, 2016 | P | Published | |
Dec 11, 2015 | F | Filing |

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