Ishigaki Company Limited, headquartered in Tokyo, specializes in the development and manufacturing of advanced agricultural equipment and solutions. The company focuses on enhancing productivity and sustainability in farming through innovative technologies. With a strong emphasis on research and development, Ishigaki is dedicated to creating tools that support modern agricultural practices, catering to both domestic and international markets. Their expertise spans various aspects of agricultural engineering, contributing to the evolution of farming methodologies.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

30 Patents

#1,062 in Tokyo

#2,307 in Japan

#21,912 in the World

Tokyo, Japan

Ishigaki Company Limited

Forward Citations = 202

38 inventors:

Eiichi Ishigaki (14 out of 19 patents)

Masayoshi Katayama (7 out of 7 patents)

Manabu Yamashita (6 out of 28 patents)

4. Kazuhisa Otani (4 out of 4 patents)

5. Masakazu Morita (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ishigaki Company Limited. Retrieved from https://idiyas.com/company/ishigaki-company

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 (CIPO):

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]

4 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]