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Sony Magnescale Inc.

USPTO Granted Patents = 40

Forward Citations = 324

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44 inventors (with patents filed for the assignee):

Kazuo Nagaoka (8 out of 10 patents)

Masayoshi Matsuyama (5 out of 6 patents)

Yoshiki Takao (5 out of 5 patents)

4. Yoshihiko Miyasaka (4 out of 4 patents)

5. Masaaki Kusumi (3 out of 19 patents)

6. Shigeru Ishimoto (3 out of 18 patents)

7. Masato Yamamoto (3 out of 4 patents)

8. Kayoko Taniguchi (2 out of 18 patents)

9. Hideki Tsuchiya (2 out of 6 patents)

10. Yasuhiko Matuyama (2 out of 4 patents)

11. Tadao Hatano (2 out of 3 patents)

12. Sadao Wakabayashi (2 out of 3 patents)

13. Hideharu Tsukamoto (2 out of 3 patents)

14. Hideo Maejima (2 out of 2 patents)

15. Hideaki Tamiya (2 out of 2 patents)

Core Competencies:

Displacement Detection

Magnetic Sensors

Optical Instruments

Hologram Scale

Linear Position Detector

Tape Splicing

Servo Control

Measuring Displacement

Interpolation Device

Magnetic Measuring Scale

High-Speed Video Printer

Error Correction

40 patents: Sort by Forward Citations

1. 5943639 - Displacement detection apparatus including an error correction system (1999-08-24),

2. 5909329 - High-speed video printer with tracking adjustment of slave tape (1999-06-01),

3. 5909115 - Position detecting apparatus employing magnetoresistance effect elements (1999-06-01),

4. 5814732 - Laser doppler speed measuring apparatus (1998-09-29),

5. 5706219 - Interpolation device (1998-01-06),

6. 5663643 - Position detecting apparatus using offset calculated from sum of (1997-09-02),

7. 5637868 - Fixed point detecting device using detection of light diffracted by (1997-06-10),

8. 5635833 - Magnetic linear scaling device having protective resin tape (1997-06-03),

9. 5521394 - Compact displacement detecting system with optical integrated circuit (1996-05-28),

10. 5499096 - Optical instrument and measurement for measuring displacement of scale (1996-03-12),

11. 5488782 - Scale plate arrangement (1996-02-06),

12. 5485407 - Interpolation device for scale arrangement (1996-01-16),

13. 5477333 - Displacement detecting apparatus (1995-12-19),

14. 5475209 - Displacement measurement apparatus having first and second servo control (1995-12-12),

15. 5432443 - Linear position detector including a phase shifter and a sample-and-hold (1995-07-11),

Sony Magnescale Inc., based in Tokyo, specializes in advanced measurement technologies, focusing on displacement detection and magnetoresistance effects. The company is recognized for its innovations in high-speed video printing, laser Doppler measurement, and optical integrated circuits. Additionally, it develops cutting-edge hologram scale technology and magnetic linear scaling solutions, catering to various industrial applications. With a commitment to precision and quality, Sony Magnescale plays a pivotal role in enhancing measurement capabilities across diverse sectors.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

40 Patents

#932 in Tokyo

#1,976 in Japan

#17,031 in the World

Sony Magnescale Inc.

Forward Citations = 324

44 inventors:

Kazuo Nagaoka (8 out of 10 patents)

Masayoshi Matsuyama (5 out of 6 patents)

Yoshiki Takao (5 out of 5 patents)

4. Yoshihiko Miyasaka (4 out of 4 patents)

5. Masaaki Kusumi (3 out of 19 patents)

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