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Tokyo Rope Manufacturing Co., Ltd.

USPTO Granted Patents = 35

CIPO Patents = 2

EPO Patents = 5

Forward Citations = 339

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64 inventors (with patents filed for the assignee):

Hiroaki Itoi (5 out of 7 patents)

Kazuo Matsumaru (5 out of 5 patents)

Ippei Furukawa (4 out of 5 patents)

4. Sadanori Shiiki (3 out of 4 patents)

5. Toshiyuki Moriya (3 out of 12 patents)

6. Masamichi Sugahara (3 out of 3 patents)

7. Toru Tanaka (3 out of 54 patents)

8. Shigeki Watanabe (2 out of 6 patents)

9. Jun Takeuchi (2 out of 3 patents)

10. Shunji Hachisuka (2 out of 15 patents)

11. Kenichi Ushijima (2 out of 2 patents)

12. Yukito Yamamoto (2 out of 2 patents)

13. Hiroshi Kimura (2 out of 55 patents)

14. Hiroshi Masuya (1 out of 1 patent)

15. Yoshihiro Tanaka (1 out of 14 patents)

35 patents: Sort by Forward Citations

1. 11608593 - Wire rope, sheave and drum (2023-03-21),

2. 11549911 - Damage detection method of wire rope, and signal processor and damage detection device used for damage detection of wire rope (2023-01-10),

3. 11543386 - Rope tester, wire rope analyzing apparatus and control program therefor (2023-01-03),

4. 11268280 - Anchorage of continuous fiber-reinforced polymer strands (2022-03-08),

5. 11261937 - Wedge clamp and steel wire (2022-03-01),

6. 11125722 - Method and apparatus for evaluating damage to magnetic linear body (2021-09-21),

7. 11016061 - Method and apparatus for evaluating damage to magnetic linear body (2021-05-25),

8. 11016060 - Method and apparatus for evaluating damage to magnetic linear body (2021-05-25),

9. 10851493 - Running wire rope and method of manufacturing same (2020-12-01),

10. D873116 - Cable clamp shaped with a wave form (2020-01-21),

11. 10351384 - Bobbin and bobbinless transport method (2019-07-16),

12. 10316517 - Continuous fiber reinforcing material tension apparatus, continuous fiber reinforcing material tension method, and wedge body (2019-06-11),

13. 10222351 - Wire rope inspection apparatus (2019-03-05),

14. D833854 - Protective tool for a twisted member (2018-11-20),

15. 9862234 - Strip-shaped steel cord (2018-01-09),

Tokyo Rope Manufacturing Co., Ltd. is a leading manufacturer and supplier of ropes, steel wires, and related products. Established in 1887, the company has a rich history and extensive experience in the industry. Tokyo Rope offers a wide range of high-quality ropes for various applications, including construction, marine, and industrial sectors. With a commitment to innovation and customer satisfaction, Tokyo Rope continues to provide reliable and durable products to cater to the diverse needs of its global clientele.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

35 Patents

#865 in Tokyo

#2,077 in Japan

#18,625 in the World

Tokyo Rope Manufacturing Co., Ltd.

Forward Citations = 339

64 inventors:

Hiroaki Itoi (5 out of 7 patents)

Kazuo Matsumaru (5 out of 5 patents)

Ippei Furukawa (4 out of 5 patents)

4. Sadanori Shiiki (3 out of 4 patents)

5. Toshiyuki Moriya (3 out of 12 patents)

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