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Fuji Kihan Co. Ltd.

USPTO Granted Patents = 26

CIPO Patents = 1

EPO Patents = 10

Trademarks = 2

Forward Citations = 88

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9 inventors (with patents filed for the assignee):

Yoshio Miyasaka (26 out of 28 patents)

Nobuyuki Fujiwara (4 out of 5 patents)

Tsutomu Sakai (1 out of 9 patents)

4. Makoto Kano (1 out of 1 patent)

5. Takahiro Horiuchi (1 out of 1 patent)

6. Shinichi Takagi (1 out of 1 patent)

7. Masao Kumagai (1 out of 1 patent)

8. Eiji Shimodaira (1 out of 1 patent)

9. Hiroshi Narusawa (1 out of 1 patent)

10. Yoshio c/o Fuji Kihan Co Ltd Miyasaka (0 patent)

26 patents: Sort by Forward Citations

1. 12251791 - Metal product surface member and method for burnishing same (2025-03-18),

2. 11858177 - Method of using surface material of molding surface of mold (2024-01-02),

3. 11745393 - Method of using mold subjected to surface treatment of molding surface of said mold (2023-09-05),

4. 11731242 - Method for surface-treating mold (2023-08-22),

5. 11124868 - Method of surface treatment for gear for strain wave reduction gear mechanism (2021-09-21),

6. 11041245 - Method for preventing adhesion of aluminum (2021-06-22),

7. 9995242 - Method for modifying surface of piston for internal combustion engine, and piston for internal combustion engine (2018-06-12),

8. 8893538 - Instantaneous heat treatment method for metal product (2014-11-25),

9. 8652227 - Abrasive cleaning agent, method for manufacturing the same, and method for polishing using abrasive cleaning agent (2014-02-18),

10. 8529650 - Abrasive cleaning agent, method for manufacturing the same, and method for polishing using abrasive cleaning agent (2013-09-10),

11. 8518543 - DLC-coated sliding member and method for producing the same (2013-08-27),

12. 8430020 - Method for surface treatment of a skirt portion of a piston for an internal combustion engine and a piston for an internal combustion engine (2013-04-30),

13. 8410029 - Surface-oxide abrasion-resistant lubricant coating and method for forming the same (2013-04-02),

14. 8231741 - Method for surface treatment of an internal combustion pistion and an internal combustion piston (2012-07-31),

15. 7767033 - Method for surface treatment of an internal combustion piston and an internal combustion piston (2010-08-03),

Fuji Kihan Co. Ltd. is a leading international trading company specializing in the export and import of various products. With a strong network of suppliers and customers worldwide, we strive to provide reliable and efficient solutions for our clients. Our expertise lies in areas such as automotive parts, machinery, electronics, textiles, and more. We are committed to offering high-quality products, excellent customer service, and competitive prices. Visit our website to explore our wide range of products and learn more about our company.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

26 Patents

#35 in Nagoya

#2,456 in Japan

#24,104 in the World

Fuji Kihan Co. Ltd.

Forward Citations = 88

9 inventors:

Yoshio Miyasaka (26 out of 28 patents)

Nobuyuki Fujiwara (4 out of 5 patents)

Tsutomu Sakai (1 out of 9 patents)

4. Makoto Kano (1 out of 1 patent)

5. Takahiro Horiuchi (1 out of 1 patent)

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