Forward Citations = 134

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10 inventors (with patents filed for the assignee):

Yoshiteru Sonoda (3 out of 6 patents)

Kotohiko Sekoguchi (2 out of 6 patents)

Hiroshi Ogawa (2 out of 2 patents)

4. Toshio Kita (1 out of 9 patents)

5. Shiro Komatsu (1 out of 1 patent)

6. Susumu Ogawa (1 out of 1 patent)

7. Ryosuke Dohi (1 out of 1 patent)

8. Kazunori Suzuki (1 out of 1 patent)

9. Kazuo Tsukada (1 out of 1 patent)

10. Masahiko Nakazawa (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 4804164 - Flow control device (1989-02-14),

2. 4763874 - Control valve (1988-08-16),

3. 4750524 - Apparatus for interchanging orifice plates for orifice flowmeter (1988-06-14),

4. 4645176 - Control valve (1987-02-24),

5. 4630851 - Pipe couplings (1986-12-23),

6. 4537078 - Precision pressure gauge (1985-08-27),

7. 4480866 - Vehicle for displaying goods (1984-11-06),

8. 4392634 - Electromagnetic valve (1983-07-12),

Company Overview

Fujikin International, Inc. is a global leader in the design and manufacturing of high-quality fluid and gas control systems. With over 40 years of experience, we provide innovative solutions for industries such as semiconductor, pharmaceutical, and aerospace. Our products are known for their reliability, precision, and efficiency, helping our customers achieve optimal performance and productivity.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#543 in Osaka

#5,049 in Japan

Osaka, Japan

Fujikin International, Inc.

Forward Citations = 134

10 inventors:

Yoshiteru Sonoda (3 out of 6 patents)

Kotohiko Sekoguchi (2 out of 6 patents)

Hiroshi Ogawa (2 out of 2 patents)

4. Toshio Kita (1 out of 9 patents)

5. Shiro Komatsu (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fujikin International, Inc.. Retrieved from https://idiyas.com/company/fujikin-international

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]