P

Inventor

KITAHARA TSUYOSHI

JP85 patents
⚠️ This page may combine multiple inventors who share the name “KITAHARA TSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEIKO EPSON CORP

43 patents
US6328395B1Dec 11, 2001

Ink jet printer and ink jet printing method

SEIKO EPSON CORP190 citations99
US5841456ANov 24, 1998

Transfer printing apparatus with dispersion medium removal member

SEIKO EPSON CORP126 citations97
US6386672B1May 14, 2002

Ink jet type recording head

SEIKO EPSON CORP53 citations96
US6382754B1May 7, 2002

Ink jet printing device

SEIKO EPSON CORP66 citations96
US6139132AOct 31, 2000

Ink jet recording head with nozzle communicating hole having smaller width than pressurizing chambers in direction of array of pressurizing chambers

SEIKO EPSON CORP42 citations96
US5341164AAug 23, 1994

Solid ink supply for ink jet

SEIKO EPSON CORP61 citations96
US4962391AOct 9, 1990

Ink jet printer head

SEIKO EPSON CORP82 citations95
US7305764B2Dec 11, 2007

Method of manufacturing an ink-jet recording head

SEIKO EPSON CORP17 citations93
US6921148B2Jul 26, 2005

Liquid drop discharge head, discharge method and discharge device; electro optical device, method of manufacture thereof, and device for manufacture thereof; color filter, method of manufacture thereof, and device for manufacture thereof; and device incorporating backing, method of manufacture thereof, and device for manufacture thereof

SEIKO EPSON CORP28 citations93
US6547373B2Apr 15, 2003

Ink jet type recording head

SEIKO EPSON CORP22 citations93
US6499836B1Dec 31, 2002

Piezoelectric ink jet recording head formed by press working

SEIKO EPSON CORP21 citations93
US6408513B1Jun 25, 2002

Method for manufacturing a piezoelectric vibrator unit

SEIKO EPSON CORP19 citations93
US6357846B1Mar 19, 2002

Ink jet recording apparatus and recording method using the same

SEIKO EPSON CORP50 citations93
US6273558B1Aug 14, 2001

Piezoelectric vibrator unit, manufacturing method thereof, and ink jet recording head incorporating the same

SEIKO EPSON CORP30 citations93
US6190009B1Feb 20, 2001

Ink-jet recording device

SEIKO EPSON CORP30 citations93
US6161912ADec 19, 2000

Method of maintaining and controlling the helmholtz resonant frequency in an ink jet print head

SEIKO EPSON CORP23 citations93
US5754204AMay 19, 1998

Ink jet recording head

SEIKO EPSON CORP44 citations93
US5646662AJul 8, 1997

Recording head of an ink-jet type

SEIKO EPSON CORP46 citations93
US5510816AApr 23, 1996

Method and apparatus for driving ink jet recording head

SEIKO EPSON CORP45 citations93
US6217159B1Apr 17, 2001

Ink jet printing device

SEIKO EPSON CORP38 citations92
US5481284AJan 2, 1996

Printer having line-type ink jet recording head

SEIKO EPSON CORP36 citations92
US7867407B2Jan 11, 2011

Method of manufacturing an ink-jet recording head

SEIKO EPSON CORP9 citations84
US7384126B2Jun 10, 2008

Liquid drop discharge head, discharge method and discharge device; electro optical device, method of manufacture thereof, and device for manufacture thereof; color filter, method of manufacture thereof, and device for manufacture thereof; and device incorporating backing, method of manufacture thereof, and device for manufacture thereof

SEIKO EPSON CORP13 citations84
US7101440B2Sep 5, 2006

Ejecting method and ejecting apparatus

SEIKO EPSON CORP19 citations84
US6986189B2Jan 17, 2006

Method of manufacturing a piezoelectric vibrator unit

SEIKO EPSON CORP11 citations84
US6984010B2Jan 10, 2006

Ink jet recording head, method of manufacturing the same method of driving the same, and ink jet recording apparatus incorporating the same

SEIKO EPSON CORP16 citations84
US6695442B2Feb 24, 2004

Ink jet head having structure for eliminating air bubbles and reducing crosstalk and a printer containing the ink head

SEIKO EPSON CORP18 citations84
US6626524B2Sep 30, 2003

Ink jet recording head provided with a vibrator unit

SEIKO EPSON CORP14 citations84
US6398350B2Jun 4, 2002

Piezoelectric vibrator unit, liquid jet head, manufacturing method of piezoelectric vibrator unit, and manufacturing method of liquid jet head

SEIKO EPSON CORP16 citations84
US6338554B1Jan 15, 2002

Ink-jet recording device

SEIKO EPSON CORP14 citations84
US6296351B1Oct 2, 2001

Ink jet recording head with narrowed reservoir ends

SEIKO EPSON CORP15 citations84
US6779866B2Aug 24, 2004

Liquid jetting apparatus and method for driving the same

SEIKO EPSON CORP19 citations83
US5896149AApr 20, 1999

Ink jet type recording head having a flow passage substrate with a stepped configuration and recesses formed in a surface thereof

SEIKO EPSON CORP18 citations81
US7153459B2Dec 26, 2006

Method of manufacturing an ink jet type recording head

SEIKO EPSON CORP9 citations74
US7028377B2Apr 18, 2006

Method of producing an ink jet recording head

SEIKO EPSON CORP6 citations74
US6732414B2May 11, 2004

Method of manufacturing a liquid ink jet head

SEIKO EPSON CORP9 citations74
US6729002B1May 4, 2004

Method of producing an ink jet recording head

SEIKO EPSON CORP6 citations74
US6700307B2Mar 2, 2004

Piezoelectric vibrator unit

SEIKO EPSON CORP12 citations74
US6578953B2Jun 17, 2003

Inkjet recording head, piezoelectric vibration element unit used for the recording head, and method of manufacturing the piezoelectric vibration element unit

SEIKO EPSON CORP5 citations74
US6460981B1Oct 8, 2002

Ink jet recording head having spacer with etched pressurizing chambers and ink supply ports

SEIKO EPSON CORP12 citations74
US6417600B2Jul 9, 2002

Piezoelectric vibrator unit, method for manufacturing the same, and ink jet recording head comprising the same

SEIKO EPSON CORP12 citations74
US6382778B1May 7, 2002

Ink jet recording head and method of manufacturing the same

SEIKO EPSON CORP13 citations74
US6338549B1Jan 15, 2002

Piezoelectric vibrator unit, method for manufacturing the same, and ink-jet recording head

SEIKO EPSON CORP9 citations74

NISSAN MOTOR

7 patents

Showing the top 50 of 85 patents by PatentIndex Score.