Benkan Corporation, headquartered in Tokyo, specializes in the development and manufacturing of high-quality piping products and systems. The company focuses on providing innovative solutions for various industries, including construction, energy, and water supply. With a commitment to advanced technology and sustainability, Benkan aims to enhance infrastructure and ensure efficient resource management. Its expertise spans across multiple domains, contributing to the global market with reliable and durable piping solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

14 Patents

#1,599 in Tokyo

#3,584 in Japan

#42,290 in the World

Tokyo, Japan

Benkan Corporation

Forward Citations = 723

23 inventors:

Toshiaki Iwabuchi (4 out of 4 patents)

Shigeyuki Matsumoto (3 out of 8 patents)

Masao Kanazawa (2 out of 10 patents)

4. Yoshitomo Fukushima (2 out of 5 patents)

5. Kazuhisa Sato (2 out of 2 patents)

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

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]