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Itoh Co., Ltd.

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USPTO Granted Patents = 3

Forward Citations = 39

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4 inventors (with patents filed for the assignee):

Katsuhiro Ito (1 out of 2 patents)

Makoto Ishioka (1 out of 1 patent)

Hiroshi Uchiyama (1 out of 10 patents)

4. Thomas U Coe (1 out of 6 patents)

3 patents: Sort by Forward Citations

1. 9272283 - Bucket-type jaw crusher (2016-03-01),

2. 4887179 - Substrate for rigid disk storage media and method and apparatus for (1989-12-12),

3. 4483952 - Polyolefin resin composition comprising a dibenzylidene sorbitol (1984-11-20),

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USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#3,552 in Tokyo

#8,938 in Japan

Itoh Co., Ltd.

Forward Citations = 39

4 inventors:

Katsuhiro Ito (1 out of 2 patents)

Makoto Ishioka (1 out of 1 patent)

Hiroshi Uchiyama (1 out of 10 patents)

4. Thomas U Coe (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Itoh Co., Ltd.. Retrieved from https://idiyas.com/company/itoh-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]

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