Shirakura; Takaaki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Shirakura; Takaaki.The latest application filed is for "atomic force microscopy, method of measuring surface configuration using the same, and method of producing magnetic recording medium".

Company Profile

0.8.2

Shirakura; Takaaki - Chigasaki JP
Shirakura, Takaaki - Chigasaki-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
Atomic force microscopy, method of measuring surface configuration using the same, and method of producing magnetic recording medium Grant 6,989,535 - Tani , et al. January 24, 2	2006-01-24
Magnetic recording media for longitudinal recording, process for producing the same and magnetic memory apparatus Grant 6,627,253 - Suzuki , et al. September 30, 2	2003-09-30
Atomic force microscopy, method of measuring surface configuration using the same, and method of producing magnetic recording medium App 20030150990 - Tani, Hiroshi ; et al.	2003-08-14
Magnetic recording media for longitudinal recording Grant 6,335,103 - Suzuki , et al. January 1, 2	2002-01-01
Magnetic recording media for longitudinal recording, process for producing the same and magnetic memory apparatus App 20010053458 - Suzuki, Hiroyuki ; et al.	2001-12-20
Magnetic recording medium and method of producing same Grant 5,744,256 - Goda , et al. April 28, 1	1998-04-28
Magnetic disk and its manufacturing method Grant 5,737,159 - Nakamura , et al. April 7, 1	1998-04-07
Magnetic recording media for longitudinal recording, process for producing the same and magnetic memory apparatus Grant 5,143,794 - Suzuki , et al. September 1, 1	1992-09-01
Magnetic disk medium with circumferentially textured surfaces and varied surface roughness and method of producing the same Grant 4,939,614 - Shirakura , et al. July 3, 1	1990-07-03
Magnetic recording medium and process for producing the same Grant 4,842,917 - Ohno , et al. June 27, 1	1989-06-27

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