P

Inventor

YASUDA SATOSHI

JP59 patents
⚠️ This page may combine multiple inventors who share the name “YASUDA SATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

18 patents
US4939060AJul 3, 1990

Magnetic toner for developing electrostatic images

CANON KK55 citations96
US6763209B2Jul 13, 2004

Process cartridge remanufacturing method

CANON KK22 citations92
US6721520B2Apr 13, 2004

Remanufacturing method for process cartridge

CANON KK38 citations92
US6643482B2Nov 4, 2003

Remanufacturing method for process cartridge

CANON KK40 citations92
US6615008B2Sep 2, 2003

Remanufacturing method for process cartridge

CANON KK24 citations92
US6519430B2Feb 11, 2003

Remanufacturing method comprising developing blade dismounting and mounting steps

CANON KK29 citations92
US4966829AOct 30, 1990

Toner for developing electrostatic images, binder therefor and process for production thereof

CANON KK41 citations92
US6643481B2Nov 4, 2003

Remanufacturing method for process cartridge

CANON KK14 citations84
US6577829B2Jun 10, 2003

Remanufacturing method for a process cartridge having a toner seal that is unsealed upon the start of use of the cartridge comprising the steps of separating first and second units of the cartridge and recoupling the units without remounting the toner seal

CANON KK15 citations84
US6574445B2Jun 3, 2003

Method of remanufacturing process cartridge including additional seal mounting step

CANON KK18 citations84
US6187495B1Feb 13, 2001

Yellow toner, process for producing the tower and image forming method using the toner

CANON KK18 citations84
US6054244AApr 25, 2000

Process for producing toner

CANON KK8 citations74
US5989770ANov 23, 1999

Process for producing toner for developing electrostatic latent images

CANON KK9 citations74
US6735404B2May 11, 2004

Process cartridge and remanufacturing method therefor

CANON KK7 citations73
US5310812AMay 10, 1994

Binder resin for a toner for developing electrostatic images, and process for production thereof

CANON KK9 citations73
US4873185AOct 10, 1989

One-component toner for dry electrophotography containing metal complex as charge control agent

CANON KK7 citations73
US4824752AApr 25, 1989

Electrophotographic magnetic dry developer containing cerium oxide and hydrophobic silica

CANON KK13 citations73
US5219947AJun 15, 1993

Binder resin for a toner for developing electrostatic images, and process for production thereof

CANON KK6 citations62

MITSUBISHI ELECTRIC CORP

6 patents

TOSHIBA KK

6 patents

SCREEN HOLDINGS CO LTD

5 patents

NAT INST INF & COMM TECH

4 patents

CHIYODA CORP

2 patents

TOKYO SHIBAURA ELECTRIC CO

2 patents

TOYOTA MOTOR CO LTD

2 patents

YASUDA SATOSHI

1 patent

YOON SANG WON

1 patent

PANASONIC CORP

1 patent

DAINIPPON SCREEN MFG

1 patent

STANLEY ELECTRIC CO LTD

1 patent

Showing the top 50 of 59 patents by PatentIndex Score.