% Expired Patents = 37.5

Forward Citations = 154

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11 inventors (with patents filed for the assignee):

Hiroshi Sawada (1 out of 4 patents)

Jun Mitsudo (1 out of 1 patent)

Akira Ishii (1 out of 2 patents)

4. Yukihiro Tonomura (1 out of 1 patent)

5. Haruyuki Nakano (1 out of 1 patent)

6. Wen Jye Chang (1 out of 1 patent)

7. Toru Aoki (1 out of 1 patent)

8. Jun Shimizu (1 out of 1 patent)

9. Akio Horimoto (1 out of 1 patent)

10. Jun Simizu (1 out of 1 patent)

11. Akira Nakatsu (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 6787378 - Method for measuring height of sphere or hemisphere (2004-09-07),

2. 6770544 - Substrate cutting method (2004-08-03),

3. 6750776 - Machines having drive member and method for diagnosing the same (2004-06-15),

4. 6628818 - Method for recognizing images of fine work pieces and pickup apparatus employing the method (2003-09-30),

5. 6561743 - Pellet picking method and pellet picking apparatus (2003-05-13),

6. 6546985 - Die bonder (2003-04-15),

7. 6462533 - IC test system for testing BGA packages (2002-10-08),

8. 6445201 - IC package testing device and method for testing IC package using the same (2002-09-03),

Company Overview

NEC Machinery Corporation is a leading manufacturer of industrial machines and equipment. With a history spanning over 50 years, the company is known for its high-quality products and excellent customer service. NEC Machinery Corporation specializes in the design and production of cutting-edge machinery for various industries including automotive, aerospace, and electronics. Their innovative solutions have helped clients improve efficiency and productivity in their operations.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#17 in Shiga

#5,045 in Japan

Shiga, Japan

Nec Machinery Corporation

Forward Citations = 154

11 inventors:

Hiroshi Sawada (1 out of 4 patents)

Jun Mitsudo (1 out of 1 patent)

Akira Ishii (1 out of 2 patents)

4. Yukihiro Tonomura (1 out of 1 patent)

5. Haruyuki Nakano (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nec Machinery Corporation. Retrieved from https://idiyas.com/company/nec-machinery

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]