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Kabushiki Kaisha Sg

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USPTO Granted Patents = 28

Trademarks = 1

Forward Citations = 577

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26 inventors (with patents filed for the assignee):

Wataru Ichikawa (12 out of 14 patents)

Yuji Matsuki (11 out of 11 patents)

Wataru Shimizu (7 out of 13 patents)

4. Akira Yamashita (6 out of 29 patents)

5. Yasuhiro Yuasa (6 out of 15 patents)

6. Shinichiro Uehara (3 out of 3 patents)

7. Seiji Hirohashi (3 out of 3 patents)

8. Kazuya Sakamoto (2 out of 29 patents)

9. Mitsuhiro Funatsu (2 out of 2 patents)

10. Minoru Ito (1 out of 5 patents)

11. Yoshiaki Hirata (1 out of 23 patents)

12. Shuichi Tanaka (1 out of 8 patents)

13. Katsumi Teramoto (1 out of 1 patent)

14. Manabu Takei (1 out of 1 patent)

15. Masaru Ohara (1 out of 1 patent)

Core Competencies:

Braking Apparatus

Spot Welding Machine

Position Detection

Harmonization Control

Servo Control

Synchronization Control

Rodless Cylinder

Absolute Position Detection

Digital Output Detection

Phase Shift Detection

Multistation Switch

Bill Receiving Device

28 patents: Sort by Forward Citations

1. 5568844 - Braking apparatus operated via resilient deformation of coned disk (1996-10-29),

2. 5412172 - Spot welding machine (1995-05-02),

3. 5382899 - Position detecting and time measuring device providing measurement finer (1995-01-17),

4. 5349293 - Conductive rotational position detection device having stator and rotor (1994-09-20),

5. 5277101 - Rodless cylinder apparatus (1994-01-11),

6. 5252902 - Servo control system (1993-10-12),

7. 5252900 - Harmonization control system for plural shafts (1993-10-12),

8. 5202611 - Synchronization control system for servo motors (1993-04-13),

9. 5194709 - Method for checking a spot welded portion and spot welding machine (1993-03-16),

10. 5142226 - Position detection device having absolute position detection apparatus (1992-08-25),

11. 5006798 - Position detection using reluctance changes induced by displacement of (1991-04-09),

12. 4985822 - Multistation switch system (1991-01-15),

13. 4951048 - Absolute linear position detection device (1990-08-21),

14. 4914366 - Positioning control system (1990-04-03),

15. 4879555 - Absolute linear position detection device (1989-11-07),

Company Overview

Kabushiki Kaisha Sg is a Tokyo-based company specializing in advanced technology solutions across various sectors. The organization focuses on developing innovative products and services that enhance operational efficiency and drive digital transformation. With a strong emphasis on research and development, it explores cutting-edge domains such as artificial intelligence, robotics, and automation. The company's commitment to technological advancement positions it as a key player in the evolving landscape of modern industry, catering to both local and international markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

28 Patents

#1,114 in Tokyo

#2,417 in Japan

#23,317 in the World

Kabushiki Kaisha Sg

Forward Citations = 577

26 inventors:

Wataru Ichikawa (12 out of 14 patents)

Yuji Matsuki (11 out of 11 patents)

Wataru Shimizu (7 out of 13 patents)

4. Akira Yamashita (6 out of 29 patents)

5. Yasuhiro Yuasa (6 out of 15 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kabushiki Kaisha Sg. Retrieved from https://idiyas.com/company/kabushiki-kaisha-sg

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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