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Koyo Sangyo Co., Ltd.

USPTO Granted Patents = 14

EPO Patents = 5

Trademarks = 1

Forward Citations = 127

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32 inventors (with patents filed for the assignee):

Hiroki Watanabe (4 out of 4 patents)

Takayuki Miyazaki (4 out of 4 patents)

Mitsumasa Horikawa (4 out of 4 patents)

4. Mario Iwakata (3 out of 3 patents)

5. Tsugane Tanaka (3 out of 3 patents)

6. Taisei Inoue (3 out of 3 patents)

7. Yasuo Tamura (3 out of 3 patents)

8. Ryoji Tanaka (2 out of 25 patents)

9. Osamu Ohara (2 out of 2 patents)

10. Takahiko Gohma (2 out of 2 patents)

11. Mitsunari Sasagawa (1 out of 1 patent)

12. Tsumoru Nomura (1 out of 1 patent)

13. Senichirou Araki (1 out of 1 patent)

14. Yasuyo Omori (1 out of 1 patent)

15. Naomi Kuwakubo (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 12083308 - Male connecting device for medical use (2024-09-10),

2. 11872366 - Connecting structure for medical use (2024-01-16),

3. 10682506 - Connecting structure for medical use (2020-06-16),

4. 10183158 - Connecting structure for medical use (2019-01-22),

5. 8268427 - Display sheet (2012-09-18),

6. 6063320 - Apparatus for and process of hot pressing boards (2000-05-16),

7. 5917271 - Piezo-electric driving device (1999-06-29),

8. 5769998 - Method for forming aggregation body by thermocompression (1998-06-23),

9. 5456964 - Laminated material and process for manufacturing the same (1995-10-10),

10. 5346574 - Process for manufacturing a laminate (1994-09-13),

11. 4968549 - Laminated material made of annual lignocellulosic stalks (1990-11-06),

12. 4818321 - Preparation of laminated material (1989-04-04),

13. 4128695 - Coated styrenic resin plate for ink-acceptability and paintability (1978-12-05),

14. 3931088 - Adhesive composition consisting of polyvinylalcohol solution or (1976-01-06),

Koyo Sangyo Co., Ltd. is a leading Japanese company specializing in the distribution of industrial machinery and equipment. With a focus on providing high-quality products and exceptional service, Koyo Sangyo has established a strong reputation in the industry. Their product range includes bearings, power transmission equipment, and tools for various industries such as automotive, construction, and manufacturing. They also offer maintenance and repair services to ensure the efficient operation of their customers' equipment.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

14 Patents

#1,396 in Tokyo

#3,485 in Japan

#40,882 in the World

Koyo Sangyo Co., Ltd.

Forward Citations = 127

32 inventors:

Hiroki Watanabe (4 out of 4 patents)

Takayuki Miyazaki (4 out of 4 patents)

Mitsumasa Horikawa (4 out of 4 patents)

4. Mario Iwakata (3 out of 3 patents)

5. Tsugane Tanaka (3 out of 3 patents)

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