% Expired Patents = 50.0

Forward Citations = 17

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12 inventors (with patents filed for the assignee):

Kenichi Yamada (5 out of 7 patents)

Masanobu Sugimoto (5 out of 5 patents)

Masanobu Irie (3 out of 3 patents)

4. Toshihiro Fujikawa (2 out of 3 patents)

5. Yasutoshi Yamada (1 out of 19 patents)

6. Toshihiro Hara (1 out of 1 patent)

7. Keisuke Fujikawa (1 out of 1 patent)

8. Yasuo Murayama (1 out of 1 patent)

9. Tuneo Miyake (1 out of 3 patents)

10. Yutaka Furuse (1 out of 6 patents)

11. Mitsuru Urashima (1 out of 1 patent)

12. Itsu Itoh (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 9987703 - Plasma spraying apparatus (2018-06-05),

2. 9888557 - Plasma spraying apparatus (2018-02-06),

3. 9388330 - Bag containing blasting material (2016-07-12),

4. 9238860 - Method of carrying out post-treatment to sprayed coating and agent used for the same (2016-01-19),

5. 8944735 - Sealer, fastener, bolt and method of fabricating bolt (2015-02-03),

6. 5452857 - Burner for burning liquid fuel (1995-09-26),

7. 5213304 - Valve (1993-05-25),

8. 4830045 - Breaker valve (1989-05-16),

Company Overview

Fuji Engineering Co., Ltd. is a leading engineering firm specializing in providing innovative solutions for various industries. With decades of experience, we offer a wide range of services including design, manufacturing, and maintenance of industrial equipment. Our team of experts is dedicated to delivering high-quality solutions that meet our clients' specific needs and requirements.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#542 in Osaka

#5,045 in Japan

Osaka, Japan

Fuji Engineering Co., Ltd.

Forward Citations = 17

12 inventors:

Kenichi Yamada (5 out of 7 patents)

Masanobu Sugimoto (5 out of 5 patents)

Masanobu Irie (3 out of 3 patents)

4. Toshihiro Fujikawa (2 out of 3 patents)

5. Yasutoshi Yamada (1 out of 19 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fuji Engineering Co., Ltd.. Retrieved from https://idiyas.com/company/fuji-engineering-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]