Carrier for forming electrophotographic image, developing agent for forming electrophotographic image, method of forming electrophotographic image, electrophotographic image forming apparatus, and process cartridge

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12105472
APP PUB NO 20230393491A1
SERIAL NO

18326888

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A carrier for forming an electrophotographic image contains a core particle and a coating layer coating the core particle, wherein the coating layer contains a particle containing antimony and an anionic dispersant and the particle containing antimony includes a substrate particle containing a first inorganic fine particle.

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 1438555 ?1438555

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nagayama, Masashi Shizuoka, JP 63 723
Suganuma, Tohru Shizuoka, JP 19 79
Suzuki, Tomomi Shizuoka, JP 93 2811
Takeuchi, Kento Shizuoka, JP 19 9

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
3.5 Year Payment $1600.00 $800.00 $400.00 Apr 1, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Apr 1, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 1, 2036
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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