Electrophotographic photosensitive member, method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Nov 29, 2016
Grant Date -
Oct 1, 2015
app pub date -
Mar 12, 2015
filing date -
Mar 26, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is an electrophotographic photosensitive member, including a charge-transporting layer containing a charge-transporting substance, and containing, as resins, a polycarbonate resin A having specific structural units and a resin D having a specific structural unit, in which the charge-transporting layer has, in a matrix containing the charge-transporting substance and the resin D, domains each containing the polycarbonate resin A.
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 | TOKYO |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Maruyama, Akihiro | Mishima, JP | 52 | 397 |
# of filed Patents : 52 Total Citations : 397 | |||
Ogaki, Harunobu | Suntou-gun, JP | 67 | 1507 |
# of filed Patents : 67 Total Citations : 1507 | |||
Yamamoto, Yuki | Tokyo, JP | 301 | 2970 |
# of filed Patents : 301 Total Citations : 2970 |
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Patent Citation Ranking
- 7 Citation Count
- G03G Class
- 11.67 % this patent is cited more than
- 9 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 29, 2028 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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

Legal Events
Date | Code | Event | Description |
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May 16, 2007 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Apr 15, 2007 | FP | EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Apr 15, 2007 |
Apr 15, 2007 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Nov 01, 2006 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Apr 15, 2003 | I | Issuance | |
Dec 15, 2000 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WILD, HANS-PETER;KRAFT, EBERHARD;REEL/FRAME:011456/0104 Owner name: INDAG GESELLSCHAFT FUR INDUSTRIEBEDARF MBH & CO., Effective Date: Dec 15, 2000 |
Oct 17, 2000 | F | Filing | |
Oct 28, 1999 | PD | Priority Date |

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