Hokuetsu Corporation is a leading Japanese company specializing in the manufacturing of paper products, chemicals, and energy. With a history dating back over a century, Hokuetsu is known for its commitment to innovation, quality, and sustainability. The company operates multiple factories and facilities throughout Japan, serving a wide range of industries and markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#18 in Niigata

#5,045 in Japan

Niigata, Japan

Hokuetsu Corporation

Forward Citations = 26

9 inventors:

Toshihiko Soyama (4 out of 12 patents)

Atsushi Tamura (4 out of 4 patents)

Junji Nemoto (3 out of 6 patents)

4. Hideaki Komiyama (3 out of 3 patents)

5. Akira Isogai (2 out of 16 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hokuetsu Corporation. Retrieved from https://idiyas.com/company/hokuetsu

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]

5 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]