% Expired Patents = 100.0

Forward Citations = 5

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13 inventors (with patents filed for the assignee):

Hiroshi Hirayama (1 out of 77 patents)

Koichiro Nishimura (1 out of 47 patents)

Motoyuki Suzuki (1 out of 143 patents)

4. Yoshiaki Yamauchi (1 out of 36 patents)

5. Manabu Katsuki (1 out of 13 patents)

6. Yoshinori Ishikawa (1 out of 26 patents)

7. Shinya Tsubota (1 out of 15 patents)

8. Makoto Ibe (1 out of 13 patents)

9. Toshimitsu Kaku (1 out of 72 patents)

10. Kuniyuki Kimura (1 out of 8 patents)

11. Hideyuki Onuma (1 out of 7 patents)

12. Takahiro Sunada (1 out of 3 patents)

13. Takehiko Sekine (1 out of 11 patents)

4 patents: Sort by Forward Citations

1. 7542387 - Defocus detection device, defocus detection method and optical disk unit using the same (2009-06-02),

2. 7340754 - Disk drive device (2008-03-04),

3. 7227822 - Laser driver and optical disk system (2007-06-05),

4. 7215612 - Disk recording apparatus and disk recording method (2007-05-08),

Company Overview

Hitachi-LG Storage is a global leader in providing storage solutions for various industries. With a focus on innovation and quality, the company offers a wide range of products including optical disc drives, solid state drives, and storage servers. Their cutting-edge technology and commitment to customer satisfaction set them apart in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#3,053 in Tokyo

#7,579 in Japan

Tokyo, Japan

Hitachi-Lg Storage, Inc.

Forward Citations = 5

13 inventors:

Hiroshi Hirayama (1 out of 77 patents)

Koichiro Nishimura (1 out of 47 patents)

Motoyuki Suzuki (1 out of 143 patents)

4. Yoshiaki Yamauchi (1 out of 36 patents)

5. Manabu Katsuki (1 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi-Lg Storage, Inc.. Retrieved from https://idiyas.com/company/hitachi-lg-storage

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]