EPO Patents = 5

Forward Citations = 84

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13 inventors (with patents filed for the assignee):

Andrew Francis Chiffey (2 out of 65 patents)

Tomoharu Hayama (2 out of 2 patents)

Raj Rao Rajaram (2 out of 59 patents)

4. Lifeng Wang (2 out of 8 patents)

5. Hanako Oyamada (2 out of 5 patents)

6. Satoshi Sumiya (2 out of 9 patents)

7. Andrew Peter Walker (2 out of 29 patents)

8. Sougato Chatterjee (2 out of 13 patents)

9. Jane Gast (2 out of 14 patents)

10. Philip Gerald Blakeman (2 out of 25 patents)

11. Paul Richard Phillips (2 out of 103 patents)

12. Gavin Michael Brown (1 out of 20 patents)

13. Michael Gavin Brown (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 11654395 - Oxidation catalyst for a diesel engine exhaust (2023-05-23),

2. 11207641 - Oxidation catalyst for a diesel engine exhaust (2021-12-28),

3. 9005559 - Oxidation catalyst for internal combustion engine exhaust gas treatment (2015-04-14),

4. 8652429 - Oxidation catalyst for internal combustion engine exhaust gas treatment (2014-02-18),

Johnson Matthey Japan Godo Kaisha is a subsidiary of the global leader in sustainable technologies. Specializing in catalysis, precious metals and fine chemicals, the company provides innovative solutions for a wide range of industries, including automotive, pharmaceuticals, and electronics. With a strong commitment to sustainability and environmental stewardship, Johnson Matthey Japan is dedicated to creating a cleaner, healthier world for future generations.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

4 Patents

#18 in Tochigi

#7,416 in Japan

Tochigi, Japan

Johnson Matthey Japan Godo Kaisha