P

Inventor

FUSHIMI HIROYUKI

JP39 patents
⚠️ This page may combine multiple inventors who share the name “FUSHIMI HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

23 patents
US6103441AAug 15, 2000

Color toner for electrophotography

RICOH KK148 citations99
US6074794AJun 13, 2000

Toner for dry developing

RICOH KK134 citations98
US6168894B1Jan 2, 2001

Image forming method and dry toner therefor

RICOH KK79 citations96
US6118964ASep 12, 2000

Multi-functional contact-type charging unit and image transfer unit

RICOH KK56 citations96
US6014532AJan 11, 2000

Image forming apparatus

RICOH KK59 citations96
US4980258ADec 25, 1990

Dry type developer for electrophotography

RICOH KK78 citations95
US4762763AAug 9, 1988

Toner for developing electrostatic latent image

RICOH KK79 citations95
US6004715ADec 21, 1999

Toner for developing electrostatic images

RICOH KK75 citations94
US7300736B2Nov 27, 2007

Toner, and developer, image forming method, image forming apparatus and process cartridge using the toner

RICOH KK21 citations93
US6916587B2Jul 12, 2005

Toner, developer, and image forming method and apparatus

RICOH KK31 citations93
US6818370B2Nov 16, 2004

Toner for developing electrostatic latent image, toner cartridge containing the toner and image forming apparatus

RICOH KK43 citations93
US6733939B2May 11, 2004

Toner, developer and container for the developer, and method of and apparatus for forming an image

RICOH KK52 citations93
US5975446ANov 2, 1999

Pulverizing apparatus

RICOH KK38 citations93
US5851716ADec 22, 1998

Electrophotographic image forming method and toner composition used therefor

RICOH KK38 citations93
US5061588AOct 29, 1991

Dry type toner for electrophotography

RICOH KK36 citations92
US4933250AJun 12, 1990

Magenta color toner for developing latent electrostatic images in color electrophotography

RICOH KK43 citations92
US4841331AJun 20, 1989

Triboelectric charge application member for toner

RICOH KK36 citations92
US5418103AMay 23, 1995

Toner for developing latent electrostatic images

RICOH KK28 citations91
US6125257ASep 26, 2000

Methods and systems for cleaning residual toner from image developing device

RICOH KK35 citations90
US5648842AJul 15, 1997

Methods and systems for cleaning residual toner from image-developing device

RICOH KK20 citations90
US7738819B2Jun 15, 2010

Image forming method and apparatus, and developing device and process cartridge therefor

RICOH KK12 citations84
US4945022AJul 31, 1990

Triboelectric charge application member for toner comprising copolymer of fluoro-olefin monomer and unsaturated silicon monomer

RICOH KK21 citations82
US7638250B2Dec 29, 2009

Toner, developing device, image forming apparatus, and image forming method using the toner

RICOH KK0 citations42

HASEGAWA SHIN

7 patents

HAKIRI MINORU

4 patents

RICOH CO LTD

3 patents

NARUSE MITSURU

1 patent

UMEMURA KAZUHIKO

1 patent