EPO Patents = 3

Forward Citations = 6

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4 inventors (with patents filed for the assignee):

Shinji Ikeya (5 out of 6 patents)

Masao Teraoka (3 out of 90 patents)

Tadahiko Kato (1 out of 24 patents)

4. Yoshihiro Yamauchi (1 out of 1 patent)

5. Yamauchi Yoshihiro (0 patent)

6. Kato Tadahiko (0 patent)

7. Ikeya Shinji (0 patent)

8. Teraoka Masao (0 patent)

9. Yamauchi Yoshihiro (0 patent)

10. Ikeya Shinji (0 patent)

11. Kato Tadahiko (0 patent)

12. Teraoka Masao (0 patent)

5 patents: Sort by Forward Citations

1. 12060911 - Meshing clutch mechanism and two-speed transmission (2024-08-13),

2. 12049957 - Transmission and meshing clutch (2024-07-30),

3. 11649894 - Shift control device (2023-05-16),

4. 10035512 - Transmission and shift control system (2018-07-31),

5. 7318360 - Gear shift lever operating mechanism (2008-01-15),

Company Overview

Ikeya Formula Co., Ltd. is a leading provider of high-quality performance parts for automotive enthusiasts. With a focus on design and innovation, Ikeya Formula offers a wide range of suspension, steering, and transmission components to improve handling and performance. Founded in 1993, the company has a strong reputation for producing precision-engineered products that cater to the needs of racing and tuning enthusiasts worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#21 in Tochigi

#6,654 in Japan

Tochigi, Japan

Ikeya Formula Co., Ltd.

Forward Citations = 6

4 inventors:

Shinji Ikeya (5 out of 6 patents)

Masao Teraoka (3 out of 90 patents)

Tadahiko Kato (1 out of 24 patents)

4. Yoshihiro Yamauchi (1 out of 1 patent)

5. Yamauchi Yoshihiro (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ikeya Formula Co., Ltd.. Retrieved from https://idiyas.com/company/ikeya-formula-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]

3 patents (EPO):

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]