% Expired Patents = 100.0

Forward Citations = 0

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11 inventors (with patents filed for the assignee):

Yoshiteru Taka (1 out of 12 patents)

Junichi Horigome (1 out of 33 patents)

Keiji Jitsukawa (1 out of 8 patents)

4. Yusuke Izumiya (1 out of 3 patents)

5. Manabu Obata (1 out of 26 patents)

6. Kiyoshi Omori (1 out of 34 patents)

7. Hisashi Negoro (1 out of 5 patents)

8. Mitsuru Iba (1 out of 1 patent)

9. Shunsuke Nirei (1 out of 3 patents)

10. Tomoyasu Takaoka (1 out of 5 patents)

11. Kiyoaki Tsuji (1 out of 7 patents)

4 patents: Sort by Forward Citations

1. 8356313 - Reduced thickness disc drive apparatus (2013-01-15),

2. 8141109 - Disc drive apparatus and electronic apparatus (2012-03-20),

3. 8098560 - Light spot position control apparatus and light spot position control method (2012-01-17),

4. 8074236 - Disk drive device and electronic apparatus (2011-12-06),

Company Overview

Sony Optiarc Inc. is a subsidiary of Sony Corporation specializing in optical disc and storage solutions. With a focus on developing cutting-edge technology, the company offers a wide range of products including DVD and Blu-ray drives, media players, and storage devices. Sony Optiarc is committed to delivering high-quality, innovative solutions to meet the needs of consumers and businesses worldwide.

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

Sony Optiarc Inc.

Forward Citations = 0

11 inventors:

Yoshiteru Taka (1 out of 12 patents)

Junichi Horigome (1 out of 33 patents)

Keiji Jitsukawa (1 out of 8 patents)

4. Yusuke Izumiya (1 out of 3 patents)

5. Manabu Obata (1 out of 26 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sony Optiarc Inc.. Retrieved from https://idiyas.com/company/sony-optiarc

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]