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Sokkisha Co., Ltd.

USPTO Granted Patents = 11

Trademarks = 1

Forward Citations = 182

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21 inventors (with patents filed for the assignee):

Yutaka Nakamura (2 out of 2 patents)

Kenji Indo (2 out of 3 patents)

Shigeyuki Sawaguchi (2 out of 2 patents)

4. Ryuji Kohno (1 out of 7 patents)

5. Hideya Kawachi (1 out of 1 patent)

6. Minoru Chiba (1 out of 1 patent)

7. Hideki Imai (1 out of 8 patents)

8. Hefeng Wang (1 out of 1 patent)

9. Haruo Fukawa (1 out of 1 patent)

10. Masayoshi Tanaka (1 out of 1 patent)

11. Ichiro Kadowaki (1 out of 1 patent)

12. Masamitsu Endo (1 out of 1 patent)

13. Yasuo Hayama (1 out of 1 patent)

14. Kazunori Miyahara (1 out of 1 patent)

15. Masahiro Kurimoto (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 5475395 - Reflecting mirror-equipped GPS receiving antenna apparatus (1995-12-12),

2. D338206 - Antenna for a satellite location measuring receiver (1993-08-10),

3. D335822 - Satellite location measuring receiver (1993-05-25),

4. 5204731 - Method and apparatus for measuring the coordinates of a surveyed point (1993-04-20),

5. D326281 - Paperweight (1992-05-19),

6. 5093839 - Frequency diversity receiving system based on cancellation of C/A code (1992-03-03),

7. 4898452 - Apparatus for mounting target plate on reflector for electronic distance (1990-02-06),

8. 4854704 - Optical automatic levelling apparatus (1989-08-08),

9. 4731580 - Displacement sensing device with two magnetoresistance element sections (1988-03-15),

10. 4663853 - Mechanism for mounting measuring system using magnetic scale (1987-05-12),

11. 4621436 - Position detecting apparatus (1986-11-11),

Sokkisha Co., Ltd. is a global leader in the manufacturing of high-precision surveying instruments and equipment. With over 90 years of experience, Sokkisha has a reputation for producing reliable and accurate products for the surveying and construction industries. Their innovative solutions are used by professionals worldwide to ensure precise measurements and quality results.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

11 Patents

#1,588 in Tokyo

#4,042 in Japan

#50,256 in the World

Sokkisha Co., Ltd.

Forward Citations = 182

21 inventors:

Yutaka Nakamura (2 out of 2 patents)

Kenji Indo (2 out of 3 patents)

Shigeyuki Sawaguchi (2 out of 2 patents)

4. Ryuji Kohno (1 out of 7 patents)

5. Hideya Kawachi (1 out of 1 patent)

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