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For the Inventor, By the Inventor

Kosai, Japan

Tf-Metal Co., Ltd.

Calculating rank
USPTO Granted Patents = 23

% Expired Patents = 8.7


Forward Citations = 31

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17 inventors (with patents filed for the assignee):

goldMedal Shunsuke Kuroda (9 out of 9 patents)

silverMedal Kosuke Taniguchi (5 out of 16 patents)

bronzeMedal Takashi Imamura (4 out of 11 patents)

4.  Takaya Kanazawa (2 out of 3 patents)

5.  Kazuki Tamaki (2 out of 2 patents)

6.  Kunihisa Oishi (2 out of 4 patents)

7.  Toshihiro Kimata (1 out of 1 patent)

8.  Hiroaki Nakajima (1 out of 1 patent)

9.  John Newberry (1 out of 1 patent)

10.  Madhusudana Darinayakanapalya Sudheendra (1 out of 1 patent)

11.  Norifumi Koizumi (1 out of 1 patent)

12.  Hidekazu Kubota (1 out of 2 patents)

13.  Hirotsugu Kuroda (1 out of 1 patent)

14.  Fumisato Mase (1 out of 3 patents)

15.  Tomoyasu Ito (1 out of 1 patent)


23 patents:

1. 12420681 - Seat sliding device (2025-09-23),
2. 12227114 - Sliding device (2025-02-18),
3. 12103437 - Seat sliding device (2024-10-01),
4. 12071046 - Seat sliding device and method of manufacturing the seat sliding device (2024-08-27),
5. 12059981 - Seat sliding device and assembling method of lock spring used in seat sliding device (2024-08-13),
6. 11872912 - Seat sliding device (2024-01-16),
7. 11840163 - Seat sliding device (2023-12-12),
8. 11718206 - Seat reclining apparatus and method for manufacturing seat reclining apparatus (2023-08-08),
9. 11603016 - Gearbox mechanism and seat sliding device provided with the gearbox mechanism (2023-03-14),
10. 11554692 - Seat slide device (2023-01-17),
11. 11325506 - Brake device for motor vehicle seat (2022-05-10),
12. 11299070 - Electric seat slide device (2022-04-12),
13. 11254241 - Seat sliding device for vehicles (2022-02-22),
14. 11192472 - Sliding device (2021-12-07),
15. 11180054 - Sliding device (2021-11-23),
Company Overview
Tf-Metal Co., Ltd. is a Japanese company specializing in the development and manufacturing of advanced metal components and materials. The organization focuses on innovative solutions for various industries, including automotive and aerospace, leveraging cutting-edge technology to enhance product performance and sustainability. With a commitment to quality and precision, Tf-Metal plays a significant role in the global supply chain, contributing to advancements in engineering and manufacturing practices.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Tf-Metal Co., Ltd. USPTO Patent Assignee Logo
23 Patents

#4 in Kosai

#2,708 in Japan

#27,736 in the World

Kosai, JP
Kosai, Japan

Tf-Metal Co., Ltd.

Forward Citations = 31

17 inventors:

goldMedal Shunsuke Kuroda (9 out of 9 patents)

silverMedal Kosuke Taniguchi (5 out of 16 patents)

bronzeMedal Takashi Imamura (4 out of 11 patents)

4.  Takaya Kanazawa (2 out of 3 patents)

5.  Kazuki Tamaki (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tf-Metal Co., Ltd.. Retrieved from https://idiyas.com/company/tf-metal-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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