P

Inventor

HASHIMOTO AKIRA

JP286 patents
⚠️ This page may combine multiple inventors who share the name “HASHIMOTO AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

17 patents
US7288348B2Oct 30, 2007

Color toner

CANON KK60 citations98
US6465144B2Oct 15, 2002

Magnetic toner, process for production thereof, and image forming method, apparatus and process cartridge using the toner

CANON KK61 citations96
US6177223B1Jan 23, 2001

Toner and image forming method using the toner

CANON KK44 citations96
US6096468AAug 1, 2000

Toner, toner production process, and image forming method

CANON KK57 citations96
US5998080ADec 7, 1999

Electrostatic image-developing toner and image-forming method

CANON KK65 citations96
US5948584ASep 7, 1999

Toner for developing electrostatic images and image forming method

CANON KK66 citations96
US6635398B1Oct 21, 2003

Dry toner, dry toner production process, and image forming method

CANON KK27 citations93
US6596452B2Jul 22, 2003

Magnetic toner and image-forming method making use of the same

CANON KK41 citations93
US6528224B2Mar 4, 2003

Toner for developing electrostatic images and image forming method

CANON KK22 citations93
US6447969B1Sep 10, 2002

Toner and image forming method

CANON KK30 citations93
US5976755ANov 2, 1999

Image forming method featuring a residual charge control property resulting from a selected toner formulation

CANON KK27 citations93
US7816063B2Oct 19, 2010

Color toner and two-component developer

CANON KK31 citations92
US7544457B2Jun 9, 2009

Color toner and two-component developer

CANON KK17 citations92
US7452647B2Nov 18, 2008

Color toner

CANON KK28 citations92
US7043175B2May 9, 2006

Image forming method and apparatus

CANON KK28 citations92
US6653035B2Nov 25, 2003

Magnetic toner

CANON KK20 citations92
US6638674B2Oct 28, 2003

Magnetic toner

CANON KK34 citations92

MITSUBISHI ELECTRIC CORP

7 patents

NEC CORP

5 patents

SEIKO EPSON CORP

3 patents

HONDA MOTOR CO LTD

3 patents

TOKYO OHKA KOGYO CO LTD

3 patents

HITACHI CONSTRUCTION MACHINERY

2 patents

(unassigned)

1 patent

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

YAMAHA CORP

1 patent

NIPPON PILLAR PACKING

1 patent

SONY CORP

1 patent

SANYO ELECTRIC CO

1 patent

TOKYO DENSHI KAGAKU KABUSHIKI

1 patent

KOMATSU MFG CO LTD

1 patent

HITACHI LTD

1 patent

SUNSTAR KK

1 patent

Showing the top 50 of 286 patents by PatentIndex Score.