Forward Citations = 65

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8 inventors (with patents filed for the assignee):

Izuru Morita (1 out of 10 patents)

Kazutomo Isono (1 out of 2 patents)

Yoshiaki Kashiwase (1 out of 1 patent)

4. Shigehisa Yamaguchi (1 out of 1 patent)

5. Hiroshi Kagoyama (1 out of 1 patent)

6. Masayoshi Kajitani (1 out of 2 patents)

7. Masanobu Takano (1 out of 1 patent)

8. Masao Kodama (1 out of 1 patent)

2 patents: Sort by Forward Citations

#4,366 in Tokyo

#11,133 in Japan

Nippon Donaldson Ltd.

Forward Citations = 65

8 inventors:

Izuru Morita (1 out of 10 patents)

Kazutomo Isono (1 out of 2 patents)

Yoshiaki Kashiwase (1 out of 1 patent)

4. Shigehisa Yamaguchi (1 out of 1 patent)

5. Hiroshi Kagoyama (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippon Donaldson Ltd.. Retrieved from https://idiyas.com/company/nippon-donaldson

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]