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Sokkia Company Limited

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USPTO Granted Patents = 41

% Expired Patents = 9.8

Trademarks = 5

Forward Citations = 573

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45 inventors (with patents filed for the assignee):

Yutaka Nakamura (6 out of 18 patents)

Minoru Chiba (5 out of 5 patents)

Nobuyuki Nishita (4 out of 4 patents)

4. Tatsuya Aoki (3 out of 4 patents)

5. Satoshi Yasutomi (3 out of 3 patents)

6. Kazunori Tanaka (3 out of 3 patents)

7. Takashi Nagao (2 out of 42 patents)

8. Hayami Kikawa (2 out of 3 patents)

9. Satoshi Yanobe (2 out of 4 patents)

10. Futoshi Osada (2 out of 2 patents)

11. Akihiro Aoki (2 out of 2 patents)

12. Hidetoshi Isomura (2 out of 2 patents)

13. Yuichi Ohashi (2 out of 2 patents)

14. Yasuyuki Banba (2 out of 2 patents)

15. Ryoji Kawamura (2 out of 2 patents)

Core Competencies:

Rotary Encoder

Electric Optical Distance Meter

Automatic Leveling Laser

Survey System

Electronic Theodolite

GPS Receiver

Laser Interferometry

Distance Measuring Device

Centripetal Telescope

Laser Beam Splitter

Multiaxis Measurement

Automatic Focusing Mechanism

41 patents: Sort by Forward Citations

1. 7825367 - Rotary encoder (2010-11-02),

2. 7492444 - Electric optical distance meter (2009-02-17),

3. D581819 - Automatic leveling laser marking instrument (2008-12-02),

4. 7446863 - Automatic collimation device for surveying apparatus (2008-11-04),

5. 7361874 - Auto focusing mechanism of surveying instrument (2008-04-22),

6. 7345748 - Survey system capable of remotely controlling a surveying instrument (2008-03-18),

7. 7339655 - Electric optical distance wavelength meter (2008-03-04),

8. 7336346 - Distance measuring device and method thereof (2008-02-26),

9. 7321420 - Survey system (2008-01-22),

10. 7304729 - Survey system (2007-12-04),

11. 7200945 - Surveying instrument (2007-04-10),

12. D532325 - Portion of electronic theodolite (2006-11-21),

13. D531921 - Portion of electronic theodolite (2006-11-14),

14. 7040030 - Laser centering device (2006-05-09),

15. 6960749 - Automatic focusing mechanism for mounting on measuring device (2005-11-01),

Company Overview

Sokkia Company Limited, headquartered in Tokyo, Japan, specializes in precision measurement instruments and surveying technology. The company develops advanced solutions including rotary encoders, electric optical distance meters, automatic leveling lasers, and electronic theodolites. Sokkia's expertise extends to GPS receivers and collimation devices, catering to various sectors such as construction, civil engineering, and geospatial analysis. With a commitment to innovation, Sokkia continues to enhance surveying efficiency and accuracy through its cutting-edge technologies.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

41 Patents

#908 in Tokyo

#1,944 in Japan

#16,731 in the World

Sokkia Company Limited

Forward Citations = 573

45 inventors:

Yutaka Nakamura (6 out of 18 patents)

Minoru Chiba (5 out of 5 patents)

Nobuyuki Nishita (4 out of 4 patents)

4. Tatsuya Aoki (3 out of 4 patents)

5. Satoshi Yasutomi (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sokkia Company Limited. Retrieved from https://idiyas.com/company/sokkia-company

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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