P

Inventor

WATANABE KAZUAKI

JP75 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE KAZUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEIKO EPSON CORP

17 patents
US6485138B1Nov 26, 2002

Ink jet recording ink and recording method

SEIKO EPSON CORP236 citations99
US6232370B1May 15, 2001

Ink jet recording ink

SEIKO EPSON CORP209 citations99
US6084619AJul 4, 2000

Ink jet recording method

SEIKO EPSON CORP117 citations99
US5948512ASep 7, 1999

Ink jet recording ink and recording method

SEIKO EPSON CORP249 citations99
US6419733B1Jul 16, 2002

Ink composition

SEIKO EPSON CORP87 citations98
US6877850B2Apr 12, 2005

Ink jet recording method, ink set, and recorded matter using them

SEIKO EPSON CORP54 citations96
US6877851B2Apr 12, 2005

Ink set for ink jet recording, ink jet recording process, and recorded matter

SEIKO EPSON CORP47 citations93
US6491748B2Dec 10, 2002

Aqueous pigment ink sets for color inkjet recording, color inkjet recording method, and color inkjet recorded matter

SEIKO EPSON CORP30 citations93
US6247804B1Jun 19, 2001

Ink jet recording apparatus with tank for reaction solution and method for producing the tank

SEIKO EPSON CORP19 citations93
US6514330B1Feb 4, 2003

Ink composition containing copper complex colorant

SEIKO EPSON CORP34 citations92
US6286953B1Sep 11, 2001

Ink jet recording method

SEIKO EPSON CORP28 citations92
US6080229AJun 27, 2000

Reaction solution for ink jet recording method using two liquids

SEIKO EPSON CORP50 citations92
US5690723ANov 25, 1997

Ink composition suitable for ink jet recording

SEIKO EPSON CORP38 citations91
US7427641B2Sep 23, 2008

Ink composition

SEIKO EPSON CORP15 citations84
US7201794B2Apr 10, 2007

Ink composition

SEIKO EPSON CORP8 citations74
US6818054B2Nov 16, 2004

Processes for producing pigment dispersion and ink composition

SEIKO EPSON CORP10 citations74
US6274646B1Aug 14, 2001

Ink composition capable of realizing print with improved fixation

SEIKO EPSON CORP10 citations73

AISIN WARNER

13 patents

TOYOTA MOTOR CO LTD

6 patents

DENSO CORP

6 patents

PIONEER CORP

3 patents

HONDA MOTOR CO LTD

1 patent

WATANABE KAZUAKI

1 patent

NIPPON TELEGRAPH & TELEPHONE

1 patent

AISIN SEIKI

1 patent

AISIN AW CO

1 patent

Showing the top 50 of 75 patents by PatentIndex Score.