loadpatents
name:-0.004019021987915
name:-0.0052661895751953
name:-0.00042915344238281
Matsukuma; Koji Patent Filings

Matsukuma; Koji

Patent Applications and Registrations

Patent applications and USPTO patent grants for Matsukuma; Koji.The latest application filed is for "etching mask and magnetic head device".

Company Profile
0.4.2
  • Matsukuma; Koji - Akashi JP
  • Matsukuma; Koji - Hyogo 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
PatentDate
Etching mask and magnetic head device
Grant 6,713,368 - Matsukuma March 30, 2
2004-03-30
Method of manufacturing thin-film magnetic head
Grant 6,604,275 - Mino , et al. August 12, 2
2003-08-12
Etching mask and magnetic head device
App 20010046790 - Matsukuma, Koji
2001-11-29
Patterning method using mask and manufacturing method for composite type thin film magnetic head using the patterning method
App 20010019035 - Uno, Yasufumi ;   et al.
2001-09-06
Thin-film magnetic head having a three-layer pole tip structure
Grant 6,169,642 - Mino , et al. January 2, 2
2001-01-02
Thin film magnetic head
Grant 6,151,193 - Terunuma , et al. November 21, 2
2000-11-21

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