Yajima Kogyo, Inc.

Calculating rank

USPTO Granted Patents = 5

Forward Citations = 64

Loading Chart...

13 inventors (with patents filed for the assignee):

Nobuji Koda (2 out of 2 patents)

Hideaki Tobita (2 out of 15 patents)

Kazuo Naruse (2 out of 14 patents)

4. Masahiro Yoshimura (1 out of 1 patent)

5. Yasuhiro Kanaishi (1 out of 1 patent)

6. Yokichi Samizo (1 out of 1 patent)

7. Tetsunori Tanaka (1 out of 1 patent)

8. Shizuo Sagara (1 out of 1 patent)

9. Takehito Tanabe (1 out of 1 patent)

10. Shigeru Yajima (1 out of 1 patent)

11. Hitosi Asai (1 out of 1 patent)

12. Taizo Yamaura (1 out of 1 patent)

13. Nobuzi Koda (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 5146062 - Feeding device for a welding bolt (1992-09-08),

2. 5105060 - Automatic feed system for parts to be welded (1992-04-14),

3. 5007795 - Supply head of nut feeder (1991-04-16),

4. 4789768 - Projection welder (1988-12-06),

5. 4754116 - Projection welder (1988-06-28),

Company Overview

Yajima Kogyo, Inc. is a Japanese company specializing in the manufacturing and distribution of industrial machinery and equipment. With a focus on innovation and quality, Yajima Kogyo has been a trusted partner for businesses in various industries for over 50 years. Their product range includes conveyors, robotics, and custom machinery solutions tailored to meet the specific needs of their clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

5 Patents

#106 in Nagoya

#6,656 in Japan

Nagoya, Japan

Yajima Kogyo, Inc.

Forward Citations = 64

13 inventors:

Nobuji Koda (2 out of 2 patents)

Hideaki Tobita (2 out of 15 patents)

Kazuo Naruse (2 out of 14 patents)

4. Masahiro Yoshimura (1 out of 1 patent)

5. Yasuhiro Kanaishi (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yajima Kogyo, Inc.. Retrieved from https://idiyas.com/company/yajima-kogyo

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]