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Tokyo Rope Mfg. Co., Ltd.

USPTO Granted Patents = 43

EPO Patents = 5

Trademarks = 5

Forward Citations = 299

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96 inventors (with patents filed for the assignee):

Shunji Hachisuka (12 out of 15 patents)

Daisuke Manabe (10 out of 14 patents)

Hiroshi Kimura (10 out of 55 patents)

4. Yoshihiro Tamura (5 out of 12 patents)

5. Fumihiro Matsuda (5 out of 5 patents)

6. Hiroshi Kimura (4 out of 38 patents)

7. Kohsuke Ashiduka (4 out of 4 patents)

8. Toshiyuki Moriya (3 out of 12 patents)

9. Hiroshi Takaki (3 out of 3 patents)

10. Mitsuhide Nakamura (2 out of 2 patents)

11. Shinsuke Yamazaki (2 out of 3 patents)

12. Yasuyuki Kai (2 out of 2 patents)

13. Kazuhiko Tsukada (2 out of 3 patents)

14. Masanori Kumagai (2 out of 2 patents)

15. Masashi Takahashi (2 out of 2 patents)

Core Competencies:

Fiber-Reinforced Concrete

Wire Rope

Tension Measurement

Compression Joint Structure

Cable Manufacturing

Prestressed Concrete Reinforcement

Optical Fiber

Carbon Fiber Composite

Elevator Wire Rope

Tire Cord

Cable Corrosion Analysis

Rubber-Reinforced Steel Wire

43 patents: Sort by Forward Citations

1. 11753823 - Short fiber-reinforced concrete structure using continuous fiber-reinforced polymer material (2023-09-12),

2. D968934 - Wire rope core (2022-11-08),

3. 11480635 - Tension measuring method (2022-10-25),

4. 10833498 - Assembly component of compression type anchor clamp, anchor structure of power-transmission line and method of constructing compression type anchor clamp (2020-11-10),

5. 10700504 - Assembly component of compression joint member, compression joint structure of power-transmission line and method of constructing compression joint member (2020-06-30),

6. 10458063 - Cable and method for manufacturing cable (2019-10-29),

7. 10240661 - End fixing structure of composite wire rod (2019-03-26),

8. D826037 - Tool for fixing a tension member of composite strand for prestressed concrete reinforcement and post tensioning concrete structure (2018-08-21),

9. D825320 - Tool for fixing a tension member of composite strand for prestressed concrete reinforcement and post tensioning concrete structure (2018-08-14),

10. D823676 - Tool for fixing a tension member of composite strand for prestressed concrete reinforcement and post tensioning concrete structure (2018-07-24),

11. D821857 - Tool for fixing a tension member of composite strand for prestressed concrete reinforcement and post tensioning concrete structure (2018-07-03),

12. 9958299 - Cable and method for introducing initial tensile strain to optical fiber (2018-05-01),

13. D815940 - Tool for fixing a tension member of composite strand for prestressed concrete reinforcement and post tensioning concrete structure (2018-04-24),

14. D814279 - Tool for fixing a tension member of composite strand for prestressed concrete reinforcement and post tensioning concrete structure (2018-04-03),

15. D809907 - Tool for fixing a tension member of composite strand for prestressed concrete reinforcement and post tensioning concrete structure (2018-02-13),

Tokyo Rope Mfg. Co., Ltd. is a leading Japanese company specializing in the manufacturing and distribution of ropes, wire products, and related engineering services. With a rich history dating back to 1887, Tokyo Rope is renowned for its high-quality products, innovative technologies, and commitment to customer satisfaction. The company serves various industries such as construction, maritime, aerospace, and industrial machinery, delivering superior solutions to meet the ever-evolving demands of its clients worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

43 Patents

#768 in Tokyo

#1,844 in Japan

#15,578 in the World

Tokyo Rope Mfg. Co., Ltd.

Forward Citations = 299

96 inventors:

Shunji Hachisuka (12 out of 15 patents)

Daisuke Manabe (10 out of 14 patents)

Hiroshi Kimura (10 out of 55 patents)

4. Yoshihiro Tamura (5 out of 12 patents)

5. Fumihiro Matsuda (5 out of 5 patents)

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