Maruyama; Youji

Patent Applications and Registrations

Patent applications and USPTO patent grants for Maruyama; Youji.The latest application filed is for "magnetic head and magnetic disk storage apparatus mounting the head".

Company Profile

0.6.8

Maruyama; Youji - Saitama JP
Maruyama; Youji - Iruma 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
Magnetic head for perpendicular recording having pole pieces provided on surface of soft magnetic film Grant 8,000,058 - Iwakura , et al. August 16, 2	2011-08-16
Magnetic head and magnetic disk storage apparatus mounting the head Grant 7,881,012 - Mochizuki , et al. February 1, 2	2011-02-01
Thin film magnetic head with layer having high saturation magnetic flux density, and magnetic storage apparatus Grant 7,679,860 - Kudo , et al. March 16, 2	2010-03-16
Thin film magnetic head with high Fe alloy plating film and manufacturing method thereof Grant 7,589,937 - Oikawa , et al. September 15, 2	2009-09-15
Magnetic thin film head Grant 7,485,378 - Oikawa , et al. February 3, 2	2009-02-03
Magnetic head and magnetic disk storage apparatus mounting the head App 20070211382 - Mochizuki; Masafumi ; et al.	2007-09-13
Separate read/write magnetic head Grant 7,262,940 - Iwakura , et al. August 28, 2	2007-08-28
Thin film magnetic head with layer having high saturation magnetic flux density, and magnetic storage apparatus App 20060203385 - Kudo; Kazue ; et al.	2006-09-14
Magnetic head for perpendicular recording App 20060087765 - Iwakura; Tadayuki ; et al.	2006-04-27
Thin film magnetic head with small track width App 20060087766 - Kudo; Kazue ; et al.	2006-04-27
Magnetic thin film head App 20050208340 - Oikawa, Gen ; et al.	2005-09-22
Thin film magnetic head and manufacturing method thereof App 20050036236 - Oikawa, Gen ; et al.	2005-02-17
Magnetic head whose composite magnetic core is recessed from air bearing surface App 20040246621 - Maruyama, Youji ; et al.	2004-12-09
Separate read/write magnetic head App 20040228041 - Iwakura, Tadayuki ; et al.	2004-11-18

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.