EPO Patents = 1

Trademarks = 1

Forward Citations = 166

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7 inventors (with patents filed for the assignee):

Kenji Mine (9 out of 11 patents)

Takahiro Yokomatsu (9 out of 9 patents)

Shinichiro Kato (8 out of 39 patents)

4. Yasushi Kashima (1 out of 1 patent)

5. Kunihiro Tanaka (1 out of 1 patent)

6. Kouichi Minagawa (1 out of 1 patent)

7. Yoshiharu Nishimura (1 out of 1 patent)

8. Koichi c/o BRIDGEST0NE Flowtech Corp Minagawa (0 patent)

9. Yukihiro c/o Bridgestone Corporation Hosoda (0 patent)

10. Tomohisa c/o BRIDGEST0NE Corporation Nagayama (0 patent)

11. Kenji c/o BRIDGEST0NE Flowtech Corporation Mine (0 patent)

9 patents: Sort by Forward Citations

1. 5653480 - Pipe coupling (1997-08-05),

2. 5150925 - Hose fitting (1992-09-29),

3. 5150924 - Hose fitting (1992-09-29),

4. 5149145 - Hose fitting (1992-09-22),

5. 5090741 - Hose end fitting (1992-02-25),

6. 5076614 - Hose fitting (1991-12-31),

7. 4984826 - Hose connection assembly (1991-01-15),

8. 4906030 - Hose fitting (1990-03-06),

9. 4906028 - Hose connection assembly (1990-03-06),

Company Overview

Bridgestone Flowtech Corporation is a leading provider of flow control solutions for various industries. With a strong focus on innovation and technology, we design and manufacture high-quality valves, fittings, and instruments to meet the diverse needs of our customers. Our commitment to excellence and customer satisfaction sets us apart as a trusted partner in fluid handling systems.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

9 Patents

#2,022 in Tokyo

#4,704 in Japan

Tokyo, Japan

Bridgestone Flowtech Corporation

Forward Citations = 166

7 inventors:

Kenji Mine (9 out of 11 patents)

Takahiro Yokomatsu (9 out of 9 patents)

Shinichiro Kato (8 out of 39 patents)

4. Yasushi Kashima (1 out of 1 patent)

5. Kunihiro Tanaka (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bridgestone Flowtech Corporation. Retrieved from https://idiyas.com/company/bridgestone-flowtech

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]

1 patent (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]