Image forming method, image forming apparatus, and process cartridge
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jan 3, 2017
Grant Date -
Mar 31, 2016
app pub date -
Jan 22, 2015
filing date -
Sep 26, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An image forming method satisfies the following Expressions:
wherein, when a content of the fatty acid metal salt particles with respect to the entire weight of the toner is set as Rmf, an average abrasion rate of the electrophotographic photoreceptor is set as Wh, a maximum abrasion rate of the electrophotographic photoreceptor is set as Whmax, and a minimum abrasion rate of the electrophotographic photoreceptor is set as Whmin, and an average abrasion rate of the electrophotographic photoreceptor is set as Wl, a maximum abrasion rate of the electrophotographic photoreceptor is set as Wlmax, and a minimum abrasion rate of the electrophotographic photoreceptor is set as Wlmin.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
FUJIFILM BUSINESS INNOVATION CORP | 9-7-3 AKASAKA MINATO-KU TOKYO |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hirose, Hidekazu | Kanagawa, JP | 99 | 338 |
# of filed Patents : 99 Total Citations : 338 | |||
Iwadate, Yuko | Kanagawa, JP | 42 | 97 |
# of filed Patents : 42 Total Citations : 97 | |||
Kajiwara, Kenji | Kanagawa, JP | 54 | 323 |
# of filed Patents : 54 Total Citations : 323 | |||
Nukada, Katsumi | Kanagawa, JP | 162 | 1319 |
# of filed Patents : 162 Total Citations : 1319 | |||
Sano, Tatsuki | Kanagawa, JP | 8 | 9 |
# of filed Patents : 8 Total Citations : 9 | |||
Sasaki, Tomoya | Kanagawa, JP | 148 | 474 |
# of filed Patents : 148 Total Citations : 474 |
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Patent Citation Ranking
- 1 Citation Count
- G03G Class
- 15.98 % this patent is cited more than
- 8 Age
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Maintenance Fees
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 3, 2028 |
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Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text
wherein, when a content of the fatty acid metal salt particles with respect to the entire weight of the toner is set as Rmf, an average abrasion rate of the electrophotographic photoreceptor is set as Wh, a maximum abrasion rate of the electrophotographic photoreceptor is set as Whmax, and a minimum abrasion rate of the electrophotographic photoreceptor is set as Whmin, and an average abrasion rate of the electrophotographic photoreceptor is set as Wl, a maximum abrasion rate of the electrophotographic photoreceptor is set as Wlmax, and a minimum abrasion rate of the electrophotographic photoreceptor is set as Wlmin.

Legal Events
Date | Code | Event | Description |
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Feb 10, 2025 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Feb 10, 2025 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Jan 03, 2025 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Jan 03, 2025 |
Aug 26, 2024 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Apr 01, 2021 | AS | ASSIGNMENT | free format text: CHANGE OF NAME;ASSIGNOR:FUJI XEROX CO., LTD.;REEL/FRAME:058287/0056 Owner name: FUJIFILM BUSINESS INNOVATION CORP., JAPAN Effective Date: Apr 01, 2021 |
Jun 18, 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 03, 2017 | I | Issuance | |
Dec 14, 2016 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Mar 31, 2016 | P | Published | |
Jan 22, 2015 | F | Filing | |
Jan 14, 2015 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:NUKADA, KATSUMI;HIROSE, HIDEKAZU;SASAKI, TOMOYA;AND OTHERS;REEL/FRAME:034787/0084 Owner name: FUJI XEROX CO., LTD., JAPAN Effective Date: Jan 14, 2015 |
Sep 26, 2014 | PD | Priority Date |

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