P

Inventor

KOYANO MASAYUKI

JP34 patents
⚠️ This page may combine multiple inventors who share the name “KOYANO MASAYUKI”. 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
US6231652B1May 15, 2001

Aqueous ink compositions and ink-jet printing method using the same

RICOH KK89 citations97
US5993524ANov 30, 1999

Image recording method, image recording apparatus and image recording acceleration liquid

RICOH KK107 citations97
US5972082AOct 26, 1999

Aqueous ink composition and ink-jet printing method using the same

RICOH KK93 citations97
US5882390AMar 16, 1999

Recording ink composition and recording method using the same

RICOH KK108 citations97
US5879439AMar 9, 1999

Recording ink composition and recording method using the same

RICOH KK122 citations97
US5578405ANov 26, 1996

Electrophotographic photoconductor containing disazo and trisazo pigments

RICOH KK125 citations97
US6786588B2Sep 7, 2004

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

RICOH KK58 citations96
US6613136B1Sep 2, 2003

Recording ink composition and ink-jet printing method using the same

RICOH KK72 citations96
US6261349B1Jul 17, 2001

Image recording method image recording apparatus and image recording acceleration liquid

RICOH KK64 citations96
US6120589ASep 19, 2000

Set of color ink compositions for ink-jet printing and method of forming color images using the color ink set

RICOH KK74 citations96
US5810915ASep 22, 1998

Aqueous ink composition and image formation method using the same

RICOH KK71 citations96
US5622550AApr 22, 1997

Yellow ink composition for ink-jet printing and image recording method using the same

RICOH KK83 citations96
US7033013B2Apr 25, 2006

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

RICOH KK36 citations92
US6730155B2May 4, 2004

Aqueous ink composition

RICOH KK38 citations92
US6688737B2Feb 10, 2004

Recording liquid, inkjet recording method and recording equipment using the same

RICOH KK29 citations92
US6799845B2Oct 5, 2004

Recording liquid, recording cartridge, recording method, recording apparatus and recording medium

RICOH KK14 citations84
US5618935AApr 8, 1997

Tricyclic pyrazine compound and electrophotographic photoconductor comprising the same

RICOH KK6 citations71
US5460909AOct 24, 1995

Pyrazine compound and electrophotographic photoconductor comprising the same

RICOH KK10 citations71

NAMBA MICHIHIKO

2 patents

ARUGA TAMOTSU

2 patents

MAEKAWA TSUTOMU

1 patent

NOGUCHI SOH

1 patent

KOYANO MASAYUKI

1 patent

MOROHOSHI NAOYA

1 patent

SENO SHIN-YA

1 patent

HASEGAWA TOMOKO

1 patent

RICOH CO LTD

1 patent

MIYAAKE AZUMI

1 patent

KUMAI MIO

1 patent

SAITO SHUN

1 patent

MIZUTANI YUUKI

1 patent