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Sanyo Machine Works, Ltd.

USPTO Granted Patents = 33

CIPO Patents = 1

EPO Patents = 5

Trademarks = 1

Forward Citations = 237

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38 inventors (with patents filed for the assignee):

Tatsuya Ishikawa (4 out of 4 patents)

Hisashi Ryota (3 out of 3 patents)

Katsuo Tokida (3 out of 3 patents)

4. Katsuhiko Asai (3 out of 3 patents)

5. Masatoshi Ohshima (3 out of 3 patents)

6. Hiroyuki Kitoh (3 out of 3 patents)

7. Hiroshi Hashimoto (3 out of 3 patents)

8. Kinya Mori (3 out of 3 patents)

9. Yoshiaki Takagi (2 out of 2 patents)

10. Akira Kato (2 out of 46 patents)

11. Koichi Ishihara (2 out of 2 patents)

12. Yoshihide Aoki (2 out of 2 patents)

13. Koji Ochiai (2 out of 2 patents)

14. Juzo Saijo (2 out of 2 patents)

15. Masazumi Miyago (1 out of 2 patents)

33 patents: Sort by Forward Citations

1. 12447593 - Nut runner control system has a tightener that is provided with marker and camera remotely images the marker to detect position of the tightener (2025-10-21),

2. 12000713 - Tightening machine (2024-06-04),

3. 11344982 - Screw fastening device and screw fastening method (2022-05-31),

4. 11015915 - Adhesive inspection device and adhesive inspection method (2021-05-25),

5. 10612426 - Valve clearance adjusting method (2020-04-07),

6. 10048671 - Control device, control method, and control program (2018-08-14),

7. 9279678 - Prepreg pasting state inspection apparatus (2016-03-08),

8. 9205544 - Fastening part tightening management system (2015-12-08),

9. 9140248 - Method and device for assembling swash plate-type fluid machine (2015-09-22),

10. 9115704 - Method and device for assembling swash plate-type fluid machine (2015-08-25),

11. 8695191 - Method and device for assembling swash plate-type fluid machine (2014-04-15),

12. 8646159 - Device and method for assembling retainer and cotter (2014-02-11),

13. 8418333 - Method and device for assembling swash plate-type fluid machine (2013-04-16),

14. 6528176 - Structure of hemmed together metal plate materials (2003-03-04),

15. 6432229 - Method and apparatus for monitoring work heating temperature in flame hardening (2002-08-13),

SANYO MACHINE WORKS, LTD. is a manufacturing company specializing in the production of industrial machinery and equipment. With a focus on precision and efficiency, SANYO MACHINE WORKS delivers high-quality products that cater to a diverse range of industries. From automated systems to robotic solutions, their innovative designs and advanced technologies have earned them a reputation as a leader in the field. To learn more about SANYO MACHINE WORKS and their offerings, please visit their official website.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

33 Patents

#890 in Tokyo

#2,148 in Japan

#19,537 in the World

Sanyo Machine Works, Ltd.

Forward Citations = 237

38 inventors:

Tatsuya Ishikawa (4 out of 4 patents)

Hisashi Ryota (3 out of 3 patents)

Katsuo Tokida (3 out of 3 patents)

4. Katsuhiko Asai (3 out of 3 patents)

5. Masatoshi Ohshima (3 out of 3 patents)

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