Toner, toner accommodating unit, and image forming apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 8, 2020
Grant Date -
Jan 25, 2018
app pub date -
Oct 8, 2015
filing date -
Oct 30, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A toner, including: a polyester resin, wherein the polyester resin has a structure represented by any one of formulas 1) to 3) below: 1) R1-(NHCONH-R2)n-, 2) R1-(NHCOO-R2)n-, and 3) R1-(OCONH-R2)n-, where n is 3 or more, R1 represents an aromatic organic group or an aliphatic organic group, and R2 represents a group derived from a resin that is polyester formed of polycarboxylic acid, polyol, or both thereof; or that is a modified polyester obtained by modifying polyester with isocyanate.
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 | |
---|---|---|
RICOH COMPANY LTD | TOKYO |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Amemori, Suzuka | Shizuoka, JP | 29 | 350 |
# of filed Patents : 29 Total Citations : 350 | |||
Chiba, Ryuta | Kanagawa, JP | 9 | 79 |
# of filed Patents : 9 Total Citations : 79 | |||
Nagata, Kohsuke | Shizuoka, JP | 17 | 100 |
# of filed Patents : 17 Total Citations : 100 | |||
Nakayama, Shinya | Shizuoka, JP | 115 | 1814 |
# of filed Patents : 115 Total Citations : 1814 | |||
Santo, Hideyuki | Kanagawa, JP | 35 | 438 |
# of filed Patents : 35 Total Citations : 438 | |||
Sugimoto, Tsuyoshi | Shizuoka, JP | 86 | 1315 |
# of filed Patents : 86 Total Citations : 1315 | |||
Yamada, Hiroshi | Shizuoka, JP | 707 | 8311 |
# of filed Patents : 707 Total Citations : 8311 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jun 8, 2028 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 8, 2032 |
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 |
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