For the Inventor, By the Inventor

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Kanagawa, Japan

Topura Co., Ltd.

USPTO Granted Patents = 20

EPO Patents = 9

Forward Citations = 161

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31 inventors (with patents filed for the assignee):

Shigeto Mori (7 out of 8 patents)

Naoki Horiuchi (5 out of 5 patents)

Mayumi Matsuno (5 out of 6 patents)

4. Tetuya Akashi (3 out of 3 patents)

5. Osami Iwasaki (3 out of 3 patents)

6. Eiichi Nagoshi (3 out of 3 patents)

7. Kouhei Miyamoto (2 out of 2 patents)

8. Yousuke Okamura (2 out of 2 patents)

9. Takeshi Suzuki (2 out of 90 patents)

10. Noriyoshi Kaneda (1 out of 7 patents)

11. Kuninori Matsumoto (1 out of 1 patent)

12. Takehiro Okuwaki (1 out of 1 patent)

13. Takeki Sawanishi (1 out of 1 patent)

14. Yoshie Sato (1 out of 1 patent)

15. Hiroshi Nakano (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 12038035 - Threaded fastener (2024-07-16),

2. 11953045 - Screw thread (2024-04-09),

3. 11846311 - External thread member (2023-12-19),

4. 11795986 - External screw member (2023-10-24),

5. 11279990 - Aluminum alloy and fastener member (2022-03-22),

6. 11162525 - External thread member (2021-11-02),

7. 10954985 - External screw member (2021-03-23),

8. 10294977 - Fastening member and rod-like member for fastening member (2019-05-21),

9. 9752609 - Threaded fastener (2017-09-05),

10. 9534282 - Method for manufacturing aluminum based alloy-made fastening part and aluminum based alloy-made fastening part (2017-01-03),

11. 9267528 - Tapping screw (2016-02-23),

12. 9181972 - Loosening prevention threaded fastener (2015-11-10),

13. 8927064 - Coating agent for tapping screw, method for preparing the coating agent, method for forming coating layer on the periphery of tapping screw using the coating agent, and tapping screw having coating layer formed from the coating agent (2015-01-06),

14. 7780388 - Tapping screw (2010-08-24),

15. 6077013 - Bolt equipped with pilot (2000-06-20),

Topura Co., Ltd. is a leading provider of electronic components and systems for a wide range of industries. With a focus on innovation and quality, Topura offers cutting-edge solutions and services to meet the ever-evolving needs of customers worldwide. Established in 1955, Topura has a proven track record of delivering reliable and cost-effective products that drive success for businesses of all sizes.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

20 Patents

#92 in Kanagawa

#2,885 in Japan

#30,346 in the World

Kanagawa, Japan

Topura Co., Ltd.

Forward Citations = 161

31 inventors:

Shigeto Mori (7 out of 8 patents)

Naoki Horiuchi (5 out of 5 patents)

Mayumi Matsuno (5 out of 6 patents)

4. Tetuya Akashi (3 out of 3 patents)

5. Osami Iwasaki (3 out of 3 patents)

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