EPO Patents = 2

Forward Citations = 47

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9 inventors (with patents filed for the assignee):

Sajio Osaki (2 out of 2 patents)

Kiyoshi Nishio (2 out of 31 patents)

Masao Annen (1 out of 1 patent)

4. Tsuyoshi Sano (1 out of 1 patent)

5. Katsuyuki Kyokumoto (1 out of 1 patent)

6. Minoru Takami (1 out of 1 patent)

7. Takeshi Sekiguchi (1 out of 60 patents)

8. Masanori Nishiguchi (1 out of 47 patents)

9. Ikkei Miyoshi (1 out of 1 patent)

10. Osaki Sajio (0 patent)

11. Kyokumoto Katsuyuki (0 patent)

12. Takami Minoru (0 patent)

4 patents: Sort by Forward Citations

1. 11278998 - Double disc surface grinding machine and grinding method (2022-03-22),

2. 9889532 - Double disc surface grinding machine and grinding method (2018-02-13),

3. 5035087 - Surface grinding machine (1991-07-30),

4. 4782631 - Double-end surface grinding machine (1988-11-08),

Company Overview

Nissei Industry Corporation is a leading manufacturer of precision machinery, specializing in equipment for the automotive and industrial sectors. With over 50 years of experience, Nissei is known for its cutting-edge technology and commitment to quality. The company offers a wide range of products, including injection molding machines, precision measuring instruments, and automated assembly systems. Nissei's dedication to innovation and customer satisfaction has earned them a reputation as a trusted partner in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#41 in Toyama 939-0643

#7,579 in Japan

Toyama, Japan

Nissei Industry Corporation

Forward Citations = 47

9 inventors:

Sajio Osaki (2 out of 2 patents)

Kiyoshi Nishio (2 out of 31 patents)

Masao Annen (1 out of 1 patent)

4. Tsuyoshi Sano (1 out of 1 patent)

5. Katsuyuki Kyokumoto (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nissei Industry Corporation. Retrieved from https://idiyas.com/company/nissei-industry

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]

2 patents (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]