Yoshiyuki Nagasaka

This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignees: Fujitsu Corporation, Toshiba Storage Device Corporation. Active years: 1997-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiyuki Nagasaka. Retrieved from https://idiyas.com/inventor/yoshiyuki-nagasaka

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 6 (Patent Applications = 1)

% Patents Active = 50.0

Average Co-Inventor Count = 1.8

ph-index = 3

Forward Citations = 53(Granted Patents)

Company Filing History:

Toshiba Storage Device Corporation

patents

Years Active: 1997-2010

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7839597 - Information access device (2010-11-23),

2. 7697232 - Storage device and storage device controller including feature for causing thermal protrusion phenomenon in the head during startup period of device (2010-04-13),

3. 7212363 - Magnetic disk apparatus (2007-05-01),

4. 5956200 - Method of and apparatus for controlling magnetic disc drive (1999-09-21),

5. 5831782 - Method and apparatus for supplying optimal bias current to a magnetic (1998-11-03),

6. 5623474 - Disk apparatus having automatic adjustment of adaptive filter (1997-04-22),

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

1 patent pending: