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Sony Nec Optiarc Inc.

USPTO Granted Patents = 12

% Expired Patents = 100.0

Forward Citations = 15

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20 inventors (with patents filed for the assignee):

Yusuke Izumiya (2 out of 3 patents)

Shinichi Yuzuki (2 out of 4 patents)

Masatoshi Nishino (2 out of 12 patents)

4. Yuji Suzuki (2 out of 57 patents)

5. Shigeru Tamura (1 out of 17 patents)

6. Satoshi Muto (1 out of 16 patents)

7. Katsunori Takahashi (1 out of 48 patents)

8. Keiji Jitsukawa (1 out of 8 patents)

9. Mitsugu Imai (1 out of 7 patents)

10. Motofumi Ninomiya (1 out of 1 patent)

11. Manabu Obata (1 out of 26 patents)

12. Kiyoshi Omori (1 out of 34 patents)

13. Shinichi Hasegawa (1 out of 47 patents)

14. Hideaki Tsutsumi (1 out of 11 patents)

15. Tadaomi Takeshita (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 8400892 - Information reproduction device, reproduction starting method and reproduction starting program (2013-03-19),

2. 8286200 - Disk drive apparatus and electronic appliance (2012-10-09),

3. 8259546 - Optical disc device, tracking control start method, and tracking control start program (2012-09-04),

4. 8220013 - Recording medium drive apparatus and electronic apparatus (2012-07-10),

5. 8069277 - System and method for operating USB peripheral device in extented power mode or standard power mode wherein permission from host must be granted before extended power is provided (2011-11-29),

6. 8059504 - Optical pickup apparatus, optical recording medium driving apparatus, and signal recording/reproducing method (2011-11-15),

7. 7958520 - Disk drive device (2011-06-07),

8. 7940622 - Recording/reproduction device, evaluation value calculation method, and evaluation value calculation device (2011-05-10),

9. 7843788 - Optical recording medium driving device and spherical aberration adjustment method (2010-11-30),

10. 7778136 - Optical recording medium driving apparatus and focusing method (2010-08-17),

11. 7746747 - Optical recording medium drive apparatus and method of determining the number of layers (2010-06-29),

12. 7719950 - Disk drive apparatus and method for adjusting focus bias and spherical aberration correction value (2010-05-18),

Company Overview

Sony Nec Optiarc Inc. is a prominent technology company based in Tokyo, Japan, specializing in the development and manufacturing of optical disc drives and related technologies. The organization focuses on providing innovative solutions for data storage and retrieval, catering to various sectors including consumer electronics and computing. With a commitment to advancing optical technology, the company plays a significant role in enhancing multimedia experiences and data management across diverse applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

12 Patents

#1,729 in Tokyo

#3,934 in Japan

#48,129 in the World

Sony Nec Optiarc Inc.

Forward Citations = 15

20 inventors:

Yusuke Izumiya (2 out of 3 patents)

Shinichi Yuzuki (2 out of 4 patents)

Masatoshi Nishino (2 out of 12 patents)

4. Yuji Suzuki (2 out of 57 patents)

5. Shigeru Tamura (1 out of 17 patents)

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

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