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 patentsUS6039425AMar 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 patentsUS8517530B2Aug 27, 2013
Fabrication of functional device mounting board making use of inkjet technique
SEKIYA TAKURO7 citations83
US8926071B2Jan 6, 2015
Liquid-jet recording apparatus including multi-nozzle inkjet head for high-speed printing
SEKIYA TAKURO5 citations72
US8081331B2Dec 20, 2011
Image forming apparatus
SEKIYA TAKURO5 citations62
RICOH CO LTD
2 patentsShowing the top 50 of 68 patents by PatentIndex Score.