P

Inventor

SEKIYA TAKURO

JP68 patents
⚠️ This page may combine multiple inventors who share the name “SEKIYA TAKURO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

45 patents
US6039425AMar 21, 2000

Ink jet recording method and head

RICOH KK89 citations99
US5610637AMar 11, 1997

Ink jet recording method

RICOH KK142 citations99
US4990939AFeb 5, 1991

Bubble jet printer head with improved operational speed

RICOH KK179 citations99
US7012878B2Mar 14, 2006

Optical recording medium and optical recording process using the same

RICOH KK63 citations98
US5172139ADec 15, 1992

Liquid jet head for gradation recording

RICOH KK137 citations98
US6975663B2Dec 13, 2005

Surface-emission laser diode operable in the wavelength band of 1.1-7μm and optical telecommunication system using such a laser diode

RICOH KK88 citations97
US6338545B1Jan 15, 2002

Liquid jet recording apparatus using a fine particle dispersion recording composition

RICOH KK68 citations97
US5877786AMar 2, 1999

Ink jet recording method and head

RICOH KK85 citations97
US5729257AMar 17, 1998

Ink jet recording head with improved ink jetting

RICOH KK66 citations97
US5657060AAug 12, 1997

Ink jet recording head having means for controlling ink droplets

RICOH KK83 citations97
US6598959B2Jul 29, 2003

Liquid jet recording apparatus using a fine particle dispersion recording composition

RICOH KK32 citations96
US6568778B1May 27, 2003

Liquid jet recording apparatus and method

RICOH KK40 citations96
US6554401B2Apr 29, 2003

Liquid jet recording apparatus using a fine particle dispersion recording composition

RICOH KK36 citations96
US6227639B1May 8, 2001

Ink jet recording method and head

RICOH KK49 citations96
US6193348B1Feb 27, 2001

On demand type ink jet recording apparatus and method

RICOH KK52 citations96
US5293182AMar 8, 1994

Liquid jet recording head with selected bubble disappearance position

RICOH KK72 citations96
US5420618AMay 30, 1995

Ink jet recording method and apparatus having drop size control by using plural control electrodes

RICOH KK57 citations95
US5389962AFeb 14, 1995

Ink jet recording head assembly

RICOH KK58 citations95
US5754202AMay 19, 1998

Ink jet recording apparatus

RICOH KK77 citations94
US7553375B2Jun 30, 2009

Fabrication of functional device mounting board making use of inkjet technique

RICOH KK27 citations93
US6992433B2Jan 31, 2006

Electron-emitting device and image display apparatus using the same

RICOH KK17 citations93
US6918666B2Jul 19, 2005

Fabrication of functional device mounting board making use of inkjet technique

RICOH KK28 citations93
US6871940B2Mar 29, 2005

Liquid jet recording apparatus using a fine particle dispersion recording composition

RICOH KK14 citations93
US6764174B2Jul 20, 2004

Ink-jet recording device and copier

RICOH KK23 citations93
US7245647B2Jul 17, 2007

Surface-emission laser diode operable in the wavelength band of 1.1-1.7mum and optical telecommunication system using such a laser diode

RICOH KK28 citations92
US5600356AFeb 4, 1997

Liquid jet recording head having improved radiator member

RICOH KK48 citations92
US5412413AMay 2, 1995

Method and apparatus for making liquid drop fly to form image by generating bubble in liquid

RICOH KK52 citations92
US4504844AMar 12, 1985

Ink jet printing apparatus

RICOH KK30 citations92
US7590159B2Sep 15, 2009

Surface-emission laser diode operable in the wavelength band of 1.1-1.7 micrometers and optical telecommunication system using such a laser diode

RICOH KK9 citations83
US6789866B2Sep 14, 2004

Liquid jet recording apparatus, head and method

RICOH KK12 citations82
US4510509AApr 9, 1985

Ink ejection head

RICOH KK25 citations81
US7213909B2May 8, 2007

Color inkjet recording apparatus and copier with increased reliability

RICOH KK8 citations74
US6991309B2Jan 31, 2006

Ink jet recording method and head

RICOH KK6 citations74
US4631553ADec 23, 1986

Printer head of an ink-jet printer

RICOH KK18 citations74
US7738261B2Jun 15, 2010

Functional device fabrication apparatus and functional device fabricated with the same

RICOH KK6 citations63
US7598518B2Oct 6, 2009

Organic transistor with light emission, organic transistor unit and display device incorporating the organic transistor

RICOH KK2 citations63
US7578575B2Aug 25, 2009

Liquid jet apparatus using a fine particle dispersion liquid composition

RICOH KK1 citations63
US7445326B2Nov 4, 2008

Ink-jet recording apparatus, ink-jet copier and recording medium

RICOH KK2 citations63
US7380690B2Jun 3, 2008

Solution jet type fabrication apparatus, method, solution containing fine particles, wiring pattern substrate, device substrate

RICOH KK4 citations63
US7374279B2May 20, 2008

Liquid jet recording apparatus, liquid jet head and recording liquid

RICOH KK4 citations63
US7360873B2Apr 22, 2008

Color inkjet recording apparatus and copier with increased reliability

RICOH KK2 citations63
US7201464B2Apr 10, 2007

Ink-jet recording apparatus and copying machine

RICOH KK4 citations63
US7150521B2Dec 19, 2006

Liquid jet recording apparatus, liquid jet head, and recording liquid

RICOH KK3 citations63
US7108365B2Sep 19, 2006

Ink-jet recording device and copier

RICOH KK3 citations63
US7084559B2Aug 1, 2006

Electron-emitting device manufacturing apparatus, solution including metal micro-particles, electron-emitting device, and image displaying apparatus

RICOH KK4 citations63

SEKIYA TAKURO

3 patents

RICOH CO LTD

2 patents

Showing the top 50 of 68 patents by PatentIndex Score.