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Toshiba Storage Device Corporation

USPTO Granted Patents = 125

% Expired Patents = 69.6

EPO Patents = 1

Forward Citations = 634

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150 inventors (with patents filed for the assignee):

Kazuhiko Takaishi (11 out of 69 patents)

Shigenori Yanagi (7 out of 117 patents)

Takahiro Imamura (6 out of 36 patents)

4. Tsuyoshi Takahashi (5 out of 52 patents)

5. Takeshi Hara (5 out of 30 patents)

6. Yukio Abe (4 out of 22 patents)

7. Takayuki Kawabe (3 out of 57 patents)

8. Takahiro Aoki (3 out of 80 patents)

9. Hiroaki Inoue (3 out of 13 patents)

10. Akihiro Itakura (3 out of 36 patents)

11. Yoshitaka Suzuki (3 out of 5 patents)

12. Hiroyuki Kubotera (3 out of 6 patents)

13. Motomichi Shibano (3 out of 9 patents)

14. Mitsuo Kamimura (3 out of 13 patents)

15. Toshikazu Kanaoka (2 out of 25 patents)

Core Competencies:

Magnetic Storage

Data Processing

Actuator Control

Head Control

Recording Medium

Failure Detection

Position Control

Signal Processing

Disk Drive

Storage Apparatus

Control Method

Magnetic Recording

125 patents: Sort by Forward Citations

1. 8179637 - Magnetic storage apparatus having heated recording head (2012-05-15),

2. 8164859 - Head slider producing reduced lubricant adsorption and magnetic storage apparatus (2012-04-24),

3. 8151167 - Program processing device and program processing method (2012-04-03),

4. 8130466 - Disk drive and magnetic circuit fixing method for the same (2012-03-06),

5. 8111475 - Magnetic recording medium and magnetic recording apparatus (2012-02-07),

6. 8111474 - Eccentricity correction method, signal processing circuit, magnetic storage apparatus and perpendicular magnetic recording medium (2012-02-07),

7. 8107178 - Storage apparatus, method of detecting failure in head of storage apparatus, and storage medium storing failure detection program (2012-01-31),

8. 8102615 - Data storage apparatus (2012-01-24),

9. 8098461 - Micro actuator device, head suspension assembly and storage medium driving device (2012-01-17),

10. 8098453 - Magnetic storage medium and storage apparatus (2012-01-17),

11. 8098449 - Magnetic recording device, control device, and magnetic recording device control method (2012-01-17),

12. 8094398 - Arrangement method of servo pattern of patterned medium, patterned medium, and information storage device (2012-01-10),

13. 8072702 - Atmospheric pressure measuring apparatus and method of measuring atmospheric pressure (2011-12-06),

14. 8068307 - Position control apparatus and disk apparatus using the same (2011-11-29),

15. 8065477 - Disk apparatus and advance data reading method (2011-11-22),

Company Overview

Toshiba Storage Device Corporation, based in Tokyo, specializes in the development and manufacturing of magnetic storage devices. The company focuses on core technologies such as magnetic storage, data processing, actuator control, and head control, which are essential for efficient data management and retrieval. Additionally, Toshiba Storage Device Corporation is involved in advancing recording mediums, failure detection, position control, and signal processing, contributing to innovations in data storage solutions across various industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

125 Patents

#487 in Tokyo

#986 in Japan

#6,403 in the World

Toshiba Storage Device Corporation

Forward Citations = 634

150 inventors:

Kazuhiko Takaishi (11 out of 69 patents)

Shigenori Yanagi (7 out of 117 patents)

Takahiro Imamura (6 out of 36 patents)

4. Tsuyoshi Takahashi (5 out of 52 patents)

5. Takeshi Hara (5 out of 30 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toshiba Storage Device Corporation. Retrieved from https://idiyas.com/company/toshiba-storage-device

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

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]

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