Sieving device, sieving device for developing device, and powder-charging device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8973759
APP PUB NO 20120234735A1
SERIAL NO

13418970

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A sieving device including a hollow cylindrical body, a filter disposed at a bottom portion of the hollow cylindrical body, and a blade configured to rotate in close proximity to the filter around a rotation axis thereof crossing the filter to thereby stir powder supplied to the hollow cylindrical body.

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)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasegawa, Masashi Shizuoka, JP 39 1241
Ichikawa, Hideo Shizuoka, JP 45 1117
Masushio, Eiichi Shizuoka, JP 2 18
Ono, Takashi Shizuoka, JP 389 4413
Ozeki, Kaori Shizuoka, JP 4 32
Sano, Hiroshi Shizuoka, JP 157 2733
Shibata, Teruo Shizuoka, JP 4 14
Suzuki, Masato Shizuoka, JP 405 3732
Suzuki, Masayoshi Shizuoka, JP 205 3094
Terazawa, Seiji Shizuoka, JP 62 1766
Uchida, Yusuke Shizuoka, JP 20 135
Umayahara, Tatsushi Shizuoka, JP 3 23
Yamabe, Junji Shizuoka, JP 39 418
Yano, Keiichi Shizuoka, JP 53 788

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 Sep 10, 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