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For the Inventor, By the Inventor

Tokyo, Japan

Sony Disc & Digital Solutions Inc.


USPTO Granted Patents = 39

% Expired Patents = 92.3


Forward Citations = 55

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63 inventors (with patents filed for the assignee):

goldMedal Akiya Saito (18 out of 32 patents)

silverMedal Yoichiro Sako (13 out of 552 patents)

bronzeMedal Yoriaki Kanada (13 out of 23 patents)

4.  Shunsuke Furukawa (12 out of 63 patents)

5.  Toru Aida (8 out of 39 patents)

6.  Toshihiko Senno (8 out of 11 patents)

7.  Yoshinobu Usui (8 out of 15 patents)

8.  Kaoru Kijima (7 out of 46 patents)

9.  Akiko Inoue (7 out of 23 patents)

10.  Koichi Nakajima (7 out of 13 patents)

11.  Etsuo Shibasaki (7 out of 10 patents)

12.  Tatsuya Inokuchi (6 out of 100 patents)

13.  Sohmei Endoh (5 out of 41 patents)

14.  Takashi Kihara (5 out of 20 patents)

15.  Tatsushi Sano (5 out of 15 patents)


Core Competencies:
Information Service Method
Optical Disc Medium
Data Recording Method
Hologram Recording Medium
Evaluation Apparatus
Manufacturing Method
Semiconductor Laser
Data Transmission Method
Recording Device
Injection Molding Apparatus
Optical Device
Photocurable Resin Composition

39 patents:

1. 8972302 - Information service method, information service unit, recording or reproducing controlling method, and recording and/or reproducing unit (2015-03-03),
2. 8774597 - Information processing apparatus, information recording medium, information processing method, and program (2014-07-08),
3. 8526087 - Hologram recording medium (2013-09-03),
4. 8518512 - Production method for optical disc master, optical disc master, stamper, and optical disc (2013-08-27),
5. 8309903 - Optical device, method for producing master for use in producing optical device, and photoelectric conversion apparatus (2012-11-13),
6. 8174947 - Evaluation apparatus and evaluation method (2012-05-08),
7. 8168690 - Solvent-free photocurable resin composition for protective film (2012-05-01),
8. 8164992 - Optical disc medium and data recording method and apparatus (2012-04-24),
9. 8152976 - AG-based alloy sputtering target (2012-04-10),
10. 8121008 - Evaluation apparatus, evaluation method, and program (2012-02-21),
11. 8102746 - Method of recording data, method of manufacturing read-only optical disc, and read-only optical disc (2012-01-24),
12. 8094693 - Laser control method and laser control circuit (2012-01-10),
13. 8089843 - Recording drive waveform adjusting method for manufacturing master disc, master disc manufacturing method, master disc manufacturing apparatus, and master disc (2012-01-03),
14. 8029706 - Vacuum transfer apparatus and method (2011-10-04),
15. 7813246 - Method and apparatus for recording BCA to optical disc using multiple turntables (2010-10-12),
Company Overview
Sony Disc & Digital Solutions Inc., based in Tokyo, specializes in the development and manufacturing of advanced digital storage solutions and optical media technologies. The company focuses on creating innovative products that enhance data storage and retrieval, catering to various industries including entertainment and information technology. With a commitment to quality and performance, Sony Disc & Digital Solutions plays a significant role in the evolution of digital media and data management solutions in the global market.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

39 Patents

#944 in Tokyo

#2,005 in Japan

#17,465 in the World

Tokyo, JP
Tokyo, Japan

Sony Disc & Digital Solutions Inc.

Forward Citations = 55

63 inventors:

goldMedal Akiya Saito (18 out of 32 patents)

silverMedal Yoichiro Sako (13 out of 552 patents)

bronzeMedal Yoriaki Kanada (13 out of 23 patents)

4.  Shunsuke Furukawa (12 out of 63 patents)

5.  Toru Aida (8 out of 39 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sony Disc & Digital Solutions Inc.. Retrieved from https://idiyas.com/company/sony-disc-and-digital-solutions

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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