Image forming apparatus capable of detecting presence or absence of a cartridge or a shape of the cartridge without increasing the number of components

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9645537
APP PUB NO 20150355590A1
SERIAL NO

14730803

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

An image forming apparatus is provided that includes a light-emitting unit which emits light to an image bearing member which bears a developer image and that detects presence or absence of a developer container storing developer or a shape of the developer container on the basis of the number of electrons discharged from or received by the image bearing member when the light-emitting unit emits the light.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adachi, Motoki Ashigarakami-gun, JP 51 470
Sunahara, Satoshi Hachioji, JP 31 186
Tamagaki, Kuniaki Kawasaki, JP 19 59
Watanabe, Takanori Kawasaki, JP 194 2507

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
7.5 Year Payment $3600.00 $1800.00 $900.00 Nov 9, 2024
11.5 Year Payment $7400.00 $3700.00 $1850.00 Nov 9, 2028
Fee Large entity fee small entity fee micro entity fee
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