Toner for electrophotography, developer, image forming method, and process cartridge

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8852834
APP PUB NO 20130143155A1
SERIAL NO

13680274

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

To provide a toner, including: a crystalline binder resin including a urethane bond or a urea bond, or both thereof; and a colorant, wherein the colorant has a number-average particle diameter of 0.5 μm or less, and a ratio of particles having a particle diameter of 0.7 μm or greater in a number-size distribution of the colorant is 5% by number or less.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTD3-6 NAKAMAGOME 1-CHOME OHTA-KU TOKYO 143-8555

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Amemori, Suzuka Shizuoka, JP 29 350
Nakayama, Shinya Shizuoka, JP 115 1814
Santo, Hideyuki Shizuoka, JP 35 438
Yamamoto, Atsushi Shizuoka, JP 486 6100
Yamashita, Daiki Kanagawa, JP 35 428

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 7, 2026
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