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Sony Precision Technology Inc.

USPTO Granted Patents = 35

Trademarks = 1

Forward Citations = 254

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32 inventors (with patents filed for the assignee):

Yasuo Nekado (9 out of 10 patents)

Shigeru Ishimoto (8 out of 18 patents)

Masaaki Kusumi (6 out of 19 patents)

4. Kayoko Taniguchi (5 out of 18 patents)

5. Toyohiko Matsuda (5 out of 5 patents)

6. Akihiro Kuroda (4 out of 14 patents)

7. Mitsuru Ohno (4 out of 5 patents)

8. Masato Tanaka (3 out of 181 patents)

9. Hideaki Tamiya (3 out of 20 patents)

10. Katsumi Kitamura (3 out of 5 patents)

11. Tadahiko Shimano (3 out of 3 patents)

12. Shuichi Fukuda (2 out of 5 patents)

13. Gunichi Nakamura (2 out of 3 patents)

14. Ken Onoe (2 out of 4 patents)

15. Hidehiro Kume (2 out of 15 patents)

35 patents: Sort by Forward Citations

1. 7187449 - Light-receiving/emitting composite unit, method for manufacturing the same, and displacement detection device (2007-03-06),

2. 7171039 - Defect classification/inspection system (2007-01-30),

3. 7034948 - Displacement pickup (2006-04-25),

4. 6980303 - Light-emitting/receiving combined unit and displacement sensors using the same (2005-12-27),

5. 6935043 - Scale device including means for preventing the occurence of small gaps between opposing walls of a guide opening (2005-08-30),

6. 6931741 - Scale device (2005-08-23),

7. 6879405 - Displacement pickup (2005-04-12),

8. 6788053 - Magnetic flux measuring device (2004-09-07),

9. 6772101 - Position detection apparatus and arithmetic processing unit (2004-08-03),

10. 6772088 - Position transducer (2004-08-03),

11. 6768426 - Position detection apparatus (2004-07-27),

12. 6711109 - Method and apparatus for measuring the eccentricity of disk (2004-03-23),

13. 6707775 - Method and apparatus for measuring crosstalk of optical disc (2004-03-16),

14. 6693565 - Position transducer (2004-02-17),

15. 6583948 - Disc recording/reproducing apparatus and servo signal writing apparatus (2003-06-24),

Sony Precision Technology Inc. is a subsidiary of Sony Corporation, specializing in precision engineering and manufacturing. With advanced technological capabilities and a commitment to innovation, our company provides high-quality products and solutions for a wide range of industries. Our diverse portfolio includes precision components, optical devices, robotics, measurement systems, and more. We strive for excellence in delivering cutting-edge solutions that meet the ever-evolving needs of our global customers. For more information, please visit our website.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

35 Patents

#867 in Tokyo

#2,074 in Japan

#18,580 in the World

Sony Precision Technology Inc.

Forward Citations = 254

32 inventors:

Yasuo Nekado (9 out of 10 patents)

Shigeru Ishimoto (8 out of 18 patents)

Masaaki Kusumi (6 out of 19 patents)

4. Kayoko Taniguchi (5 out of 18 patents)

5. Toyohiko Matsuda (5 out of 5 patents)

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