Carrier core particle for electrophotographic developer, method for manufacturing the same, carrier for electrophotographic developer and electrophotographic developer
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United States of America Patent
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May 3, 2016
Issued Date -
N/A
app pub date -
Sep 25, 2014
filing date -
Mar 29, 2010
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Abstract
A carrier core particle for an electrophotographic developer includes a composition expressed by a general formula: MnxFe3−xO4+y (0
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 | |
---|---|---|
DOWA ELECTRONICS MATERIALS CO LTD | TOKYO JAPAN TOKYO METROPOLIS |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Kawauchi, Takeshi | Okayama, JP | 19 | 32 |
# of filed Patents : 19 Total Citations : 32 | |||
Ogawa, Sho | Okayama, JP | 14 | 23 |
# of filed Patents : 14 Total Citations : 23 |
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- 9 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 3, 2027 |
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

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Oct 08, 2003 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Oct 08, 2003 |
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Dec 18, 1995 | AS | ASSIGNMENT | free format text: ASSIGNMENT AND RELEASE OF SECURITY INTEREST;ASSIGNOR:FIRST NATIONAL BANK OF BOSTON, THE;REEL/FRAME:007795/0697 Owner name: RECOGNITION INTERNATIONAL INC., TEXAS Effective Date: Aug 01, 1995 free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:RECOGNITION INTERNATIONAL INC., A CORP. OF DELAWARE;REEL/FRAME:007795/0692 Owner name: BANTEC, INC., A CORP, OF DELAWARE, TEXAS Effective Date: Dec 18, 1995 |
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Mar 26, 1992 | AS | ASSIGNMENT | free format text: SECURITY INTEREST;ASSIGNORS:RECOGNITION EQUIPMENT INC.;HYBRID SYSTEMS, INC.;RECOGNITION EQUIPMENT (JAPAN), INC.;REEL/FRAME:006344/0298 Owner name: FIRST NATIONAL BANK OF BOSTON, THE, AS AGENT, MASS Effective Date: Mar 26, 1992 |
Oct 08, 1991 | I | Issuance | |
Aug 26, 1991 | AS | ASSIGNMENT | free format text: MERGER;ASSIGNOR:HYBRID SYSTEMS INC., MD CORP.;REEL/FRAME:005841/0062 Owner name: HYBRID SYSTEMS, INC., DE CORP. Effective Date: Aug 06, 1991 free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:HYBRID SYSTEMS INC. DE CORP;REEL/FRAME:005841/0068 Owner name: RECOGNITION EQUIPMENT INCORPORATED, DE CORP. Effective Date: Aug 26, 1991 |
Dec 18, 1989 | F | Filing | |
Dec 18, 1989 | PD | Priority Date | |
Dec 11, 1989 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:MURPHY, GARY J.;MURPHY, DERRICK L.;MURPHY, MICHAEL J.;AND OTHERS;REEL/FRAME:005198/0963 Owner name: HYBRID SYSTEMS, INC., MARYLAND Effective Date: Dec 11, 1989 |

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