Page replacement algorithms for use with solid-state drives
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jan 30, 2018
Issued Date -
N/A
app pub date -
Jul 21, 2017
filing date -
May 19, 2015
priority date (Note) -
In Force
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Abstract
A page replacement algorithm is provided. An idle range of memory pages is determined based, at least in part, on indications of references to memory pages in the idle range of memory pages, wherein the idle range of memory pages is a set of one or more memory pages. A first memory page is identified in the idle range of memory page for paging out of memory. The first memory page is identified based, at least in part, on indications of modifications to the memory pages. The first memory page is paged out of memory.
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 | |
---|---|---|
INTERNATIONAL BUSINESS MACHINES CORPORATION | NEW ORCHARD ROAD ARMONK NY 10504 |
International Classification(s)

- 2017 Application Filing Year
- G06F Class
- 61356 Applications Filed
- 46481 Patents Issued To-Date
- 75.76 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Liao, Mengze | Shanghai, CN | 39 | 65 |
# of filed Patents : 39 Total Citations : 65 | |||
Yu, Jiang | Shanghai, CN | 69 | 344 |
# of filed Patents : 69 Total Citations : 344 |
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Patent Citation Ranking
- 0 Citation Count
- G06F Class
- 0 % this patent is cited more than
- 7 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 30, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 30, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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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Mar 07, 2022 | 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 |
Mar 07, 2022 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Jan 30, 2022 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Jan 30, 2022 |
Sep 20, 2021 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Jan 30, 2018 | I | Issuance | |
Jan 10, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Nov 02, 2017 | P | Published | |
Jul 21, 2017 | F | Filing | |
May 15, 2015 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LIAO, MENGZE;YU, JIANG;REEL/FRAME:043060/0042 Owner name: INTERNATIONAL BUSINESS MACHINES CORPORATION, NEW Y Effective Date: May 15, 2015 |
Dec 05, 2014 | PD | Priority Date |

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