Johnson Matthey Japan Incorporated

Calculating rank

USPTO Granted Patents = 2

Forward Citations = 20

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6 inventors (with patents filed for the assignee):

Tomotaka Hirota (2 out of 2 patents)

Jin Cho (1 out of 1 patent)

Kenji Tanikawa (1 out of 1 patent)

4. Geng Zhang (1 out of 3 patents)

5. Yasunori Kurashima (1 out of 1 patent)

6. Hideaki Muraki (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 8999252 - Exhaust gas catalyst and exhaust gas processing apparatus using same (2015-04-07),

2. 6645439 - Exhaust gas clean-up catalyst (2003-11-11),

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USPTO Data Jan 1 1976 - Nov 3 2026

2 Patents

#36 in Tochigi

#11,154 in Japan

Tochigi, Japan

Johnson Matthey Japan Incorporated

Forward Citations = 20

6 inventors:

Tomotaka Hirota (2 out of 2 patents)

Jin Cho (1 out of 1 patent)

Kenji Tanikawa (1 out of 1 patent)

4. Geng Zhang (1 out of 3 patents)

5. Yasunori Kurashima (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Johnson Matthey Japan Incorporated. Retrieved from https://idiyas.com/company/johnson-matthey-japan

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]