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Minato-ku, Japan

N.e. Chemcat Corporation

USPTO Granted Patents = 87

EPO Patents = 39

Forward Citations = 673

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128 inventors (with patents filed for the assignee):

Makoto Nagata (19 out of 23 patents)

Takashi Itoh (15 out of 17 patents)

Tomoteru Mizusaki (12 out of 12 patents)

4. Yukio Takagi (10 out of 12 patents)

5. Yasuharu Kanno (9 out of 9 patents)

6. Kiyotaka Nagamori (9 out of 9 patents)

7. Hiroshi Igarashi (8 out of 144 patents)

8. Yasuhiro Seki (8 out of 9 patents)

9. Yoko Nakamura (8 out of 19 patents)

10. Yasuyuki Banno (8 out of 9 patents)

11. Yukio Kosaki (7 out of 7 patents)

12. Toshinori Okajima (6 out of 6 patents)

13. Takashi Hihara (6 out of 6 patents)

14. Takuya Tsubaki (5 out of 5 patents)

15. Jaya L Mohanan (4 out of 18 patents)

Core Competencies:

Electrode Catalyst

Gas Diffusion Electrode

Membrane Electrode Assembly

Fuel Cell Stack

Hydrogenation Catalyst

Exhaust Gas Purification

Selective Catalytic Reduction

Three-Way Catalyst

Organometallic Complex Catalyst

Zeolite Catalyst

Ammonia Oxidation Catalyst

Denitration Catalyst

87 patents: Sort by Forward Citations

1. 12374700 - Electrode catalyst, composition for forming gas diffusion electrode, gas diffusion electrode, membrane electrode assembly, and fuel cell stack (2025-07-29),

2. 12319578 - Catalyst structure, fuel reforming method, and fuel reforming system (2025-06-03),

3. 12239961 - Hydrogenation reaction catalyst used to hydrogenate amide compound and method for producing amine compound using same (2025-03-04),

4. 12187691 - Hydrogenation catalyst used in amide compound hydrogenation and method for producing amine compound using same (2025-01-07),

5. 12110296 - Compound, and method for producing the same (2024-10-08),

6. 12017208 - Cross-coupling reaction catalyst (2024-06-25),

7. 11724249 - Cu—P co-supported zeolite, and selective catalytic reduction catalyst and catalyst for exhaust gas using same (2023-08-15),

8. 11686231 - LNT layered catalyst for lean burn gasoline engine and exhaust gas purification apparatus using the same (2023-06-27),

9. 11484864 - Exhaust gas-purifying three-way catalyst and method for producing same, and integral structure type exhaust gas-purifying catalyst (2022-11-01),

10. 11376568 - Exhaust gas-purifying three-way catalyst (2022-07-05),

11. 11351524 - Zeolite with rare earth element-substituted framework and method for producing same, and NOx adsorber, selective catalytic reduction catalyst and automobile exhaust gas catalyst comprising same (2022-06-07),

12. 11305270 - Honeycomb structure, honeycomb structure type catalyst and production methods therefor (2022-04-19),

13. 11271219 - Electrode catalyst, composition for forming gas diffusion electrode, gas diffusion electrode, membrane electrode assembly and fuel cell stack (2022-03-08),

14. 11167278 - Organometallic complex catalyst (2021-11-09),

15. 11161103 - Organometallic complex catalyst (2021-11-02),

N.E. CHEMCAT Corporation is a leading chemical manufacturer specializing in the production of high-quality catalysts and chemicals for various industries. With over 20 years of experience, we strive to provide innovative and reliable solutions to our global customers. Our state-of-the-art facilities, advanced research and development capabilities, and dedicated team enable us to deliver products that exceed expectations and meet the evolving demands of our clients. From custom synthesis to large-scale production, N.E. CHEMCAT Corporation is committed to excellence, sustainability, and customer satisfaction.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

87 Patents

#5 in Minato-ku

#1,201 in Japan

#8,505 in the World

Minato-ku, Japan

N.e. Chemcat Corporation

Forward Citations = 673

128 inventors:

Makoto Nagata (19 out of 23 patents)

Takashi Itoh (15 out of 17 patents)

Tomoteru Mizusaki (12 out of 12 patents)

4. Yukio Takagi (10 out of 12 patents)

5. Yasuharu Kanno (9 out of 9 patents)

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