Katsuragi; Ryuji

Patent Applications and Registrations

Patent applications and USPTO patent grants for Katsuragi; Ryuji.The latest application filed is for "ink and ink jet recording method".

Company Profile

0.20.15

Katsuragi; Ryuji - Kawasaki JP
Katsuragi; Ryuji - Tokyo JP
Katsuragi; Ryuji - Kawasaki-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Liquid composition, ink-jet recording process, ink-jet recording ink set, recording unit, ink cartridge, ink-jet recording apparatus, and ink-jet recording ink Grant 8,205,980 - Notoya , et al. June 26, 2	2012-06-26
Ink and ink jet recording method Grant 7,926,931 - Katsuragi , et al. April 19, 2	2011-04-19
Ink jet head substrate having heat generating resistor and ink jet head and recording method using same Grant 7,637,581 - Shirota , et al. December 29, 2	2009-12-29
Ink And Ink Jet Recording Method App 20080260948 - Katsuragi; Ryuji ; et al.	2008-10-23
Liquid Composition, Ink-jet Recording Process, Ink-jet Recording Ink Set, Recording Unit, Ink Cartridge, Ink-jet Recording Apparatus, And Ink-jet Recording Ink App 20080174643 - Notoya; Yasuharu ; et al.	2008-07-24
Ink Jet Head Substrate Having Heat Generating Resistor And Ink Jet Head And Recording Method Using Same App 20070159512 - SHIROTA; KOROMO ; et al.	2007-07-12
Ink jet head substrate having heat generating resistor and ink jet head and recording method using same Grant 7,219,971 - Shirota , et al. May 22, 2	2007-05-22
Production process of light amount-adjusting member, light amount-adjusting member, light amount-adjusting device and photographing apparatus Grant 7,189,014 - Katsuragi , et al. March 13, 2	2007-03-13
Production process of light amount adjustment member, light amount adjustment device and photographing apparatus Grant 7,070,344 - Kanome , et al. July 4, 2	2006-07-04
Ink, Ink-jet Ink, Method For Reducing Kogation On Surface Of Heater Of Ink-jet Recording Head, Method For Ink-jet Recording Apparatus, Recording Unit And Method For Prolonging Ink-jet Recording Head Life Grant 6,902,264 - Katsuragi , et al. June 7, 2	2005-06-07
Production process of light amount-adjusting member, light amount-adjusting member, light amount-adjusting device and photographing apparatus App 20050084774 - Katsuragi, Ryuji ; et al.	2005-04-21
Production process of light amount adjustment member, light amount adjustment device and photographing apparatus App 20050008358 - Kanome, Osamu ; et al.	2005-01-13
Liquid composition, ink for ink-jet, ink set for ink-jet recording, ink-jet recording method, recording unit, ink cartridge, and ink-jet recording apparatus Grant 6,827,434 - Katsuragi , et al. December 7, 2	2004-12-07
Liquid discharging head, method for manufacturing a liquid discharging head, and liquid discharging apparatus Grant 6,752,487 - Kubota , et al. June 22, 2	2004-06-22
Ink-jet Ink, Method For Alleviating Kogation On Surface Of Heater Of Ink-jet Recording Head, Method For Ink-jet Recording, Ink-jet Recording Apparatus, Recording Unit And Method For Prolonging Ink-jet Recording Head Life Grant 6,682,588 - Shioya , et al. January 27, 2	2004-01-27
Method of reducing kogation of heater of ink-jet recording head, ink-jet recording method, ink-jet recording apparatus, recording unit and method for prolonging service life of recording head Grant 6,644,798 - Katsuragi , et al. November 11, 2	2003-11-11
Liquid composition, ink for ink-jet, ink set for ink-jet recording, ink-jet recording method, recording unit, ink cartridge, and ink jet recording apparatus Grant 6,607,266 - Katsuragi , et al. August 19, 2	2003-08-19
Cleaning ink-jet recording head with liquid composition Grant 6,604,809 - Katsuragi , et al. August 12, 2	2003-08-12
Ink, ink-jet ink, method for reducing kogation on surface of heater of ink-jet recording head, method for ink-jet recording apparatus, recording unit and method for prolonging ink-jet recording head life App 20030098904 - Katsuragi, Ryuji ; et al.	2003-05-29
Liquid composition, method of cleaning ink-jet recording head, ink-jet recording apparatus, cartridge, and method of regenerating ink-jet recording head Grant 6,514,920 - Katsuragi , et al. February 4, 2	2003-02-04
Ink set for ink-jet recording, ink-jet recording method, recording unit, ink-jet recording apparatus and bleeding reducing method Grant 6,460,987 - Katsuragi , et al. October 8, 2	2002-10-08
Method of reducing kogation on heater of ink-jet recording head, ink-jet recording process, ink-jet recording apparatus, recording unit, and method for lengthening the life of recording head App 20020113842 - Katsuragi, Ryuji ; et al.	2002-08-22
Method of protecting heater surface of ink-jet printer, ink-jet recording apparatus, recording unit and method of prolonging service life of ink-jet recording head App 20020101476 - Katsuragi, Ryuji ; et al.	2002-08-01
Liquid composition, ink for ink-jet, ink set for ink-jet recording, ink-jet recording method, recording unit, ink cartridge, and ink jet recording apparatus App 20020069789 - Katsuragi, Ryuji ; et al.	2002-06-13
Ink, method of reducing kogation on heater of ink-jet recording head, ink-jet recording process, ink-jet recording apparatus, recording unit, and method for lengthening the life of recording head Grant 6,394,594 - Katsuragi , et al. May 28, 2	2002-05-28
Liquid composition, ink set for ink-jet recording, ink-jet recording process, recording unit and ink-jet recording apparatus App 20020041316 - Katsuragi, Ryuji ; et al.	2002-04-11
Ink-jet ink, method for alleviating kogation on surface of heater of ink-jet recording head, method for ink-jet recording, ink-jet recording, ink-jet recording apparatus, recording unit and method for prolonging ink-jet recording head life App 20020029722 - Shioya, Makoto ; et al.	2002-03-14
Cleaning ink-jet recording head with liquid composition App 20020008725 - Katsuragi, Ryuji ; et al.	2002-01-24
Ink, ink-jet ink, method for reducing kogation on surface of heater of ink-jet recording head, method for ink-jet recording, ink-jet recording apparatus, recording unit and method for prolonging ink-jet recording head life App 20020005885 - Katsuragi, Ryuji ; et al.	2002-01-17
Method of reducing kogation of heater of ink-jet recording head, ink-jet recording method, ink-jet recording apparatus, recording unit and method for prolonging service life of recording head App 20010045975 - Katsuragi, Ryuji ; et al.	2001-11-29
Liquid composition, ink set for ink-jet recording, ink-jet recording process, recording unit and ink-jet recording apparatus App 20010030678 - Katsuragi, Ryuji ; et al.	2001-10-18
Image forming process employing liquid composition and ink in combination Grant 6,281,917 - Katsuragi , et al. August 28, 2	2001-08-28
Water-based pigment ink, and ink-jet recording method and instruments using the same Grant 5,976,233 - Osumi , et al. November 2, 1	1999-11-02
Ink, and ink-jet recording method and instruments using the same Grant 5,728,201 - Saito , et al. March 17, 1	1998-03-17
Ink, and ink-jet recording method and instrument using the same Grant 5,451,251 - Mafune , et al. September 19, 1	1995-09-19

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.