P

Inventor

GOTOH AKIHIKO

JP49 patents
⚠️ This page may combine multiple inventors who share the name “GOTOH AKIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

19 patents
US6695443B2Feb 24, 2004

Ink for ink jet recording, ink set for ink jet recording, method for ink jet recording, ink cartridge for ink jet recording, ink jet recording apparatus and recorded article

RICOH KK76 citations98
US6786588B2Sep 7, 2004

Pretreatment liquid for recording material and image recording method using the pretreatment liquid

RICOH KK58 citations96
US5952048ASep 14, 1999

Ink composition and recording method using the same

RICOH KK57 citations95
US7699457B2Apr 20, 2010

Recording ink, ink cartridge, ink record, inkjet recording apparatus, and inkjet recording method

RICOH KK28 citations93
US7490930B2Feb 17, 2009

Inkjet recording apparatus and inkjet recording method

RICOH KK15 citations93
US7810919B2Oct 12, 2010

Recording ink, ink cartridge, ink record, inkjet recording apparatus, and inkjet recording method

RICOH KK34 citations92
US7682011B2Mar 23, 2010

Recording ink, ink cartridge, ink record, inkjet recording apparatus and inkjet recording process

RICOH KK28 citations92
US7284851B2Oct 23, 2007

Inkjet recording ink, recording process and recording apparatus

RICOH KK39 citations92
US7094813B2Aug 22, 2006

Ink-jet recording ink, ink-jet recording ink set, ink cartridge, ink-jet printer, and ink-jet printing method

RICOH KK35 citations92
US7033013B2Apr 25, 2006

Pretreatment liquid for recording material and image recording method using the pretreatment liquid

RICOH KK36 citations92
US6918662B2Jul 19, 2005

Ink composition and inkjet recording method and apparatus using the ink composition

RICOH KK26 citations92
US6899751B2May 31, 2005

Ink for ink jet recording, ink jet recording method, ink cartridge and ink jet recording apparatus

RICOH KK23 citations92
US6730149B2May 4, 2004

Ink composition and inkjet recording method and apparatus using the ink composition

RICOH KK39 citations92
US6730155B2May 4, 2004

Aqueous ink composition

RICOH KK38 citations92
US6020103AFeb 1, 2000

Liquid developer, method of producing the liquid developer and image formation using the same

RICOH KK29 citations92
US5851717ADec 22, 1998

Developer for use in electrophotography, and image formation method using the same

RICOH KK35 citations91
US7374608B2May 20, 2008

Ink for ink jet recording, ink jet recording method, ink cartridge and ink jet recording apparatus

RICOH KK9 citations84
US6578958B2Jun 17, 2003

Inkjet recording method and apparatus and ink therefor

RICOH KK19 citations84
US5204207AApr 20, 1993

Magenta color liquid developer for electrophotography

RICOH KK18 citations74

RICOH CO LTD

5 patents

TAMAI TAKASHI

5 patents

MOROHOSHI NAOYA

4 patents

NAMBA MICHIHIKO

4 patents

KOJIMA MARIKO

3 patents

KATOH KEITA

2 patents

YOKOHAMA YUUKI

2 patents

MORIYA YOSHIHIRO

2 patents

GOTO HIROSHI

1 patent

MATSUYAMA AKIHIKO

1 patent

HABASHI HISASHI

1 patent