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N.e. Chemcat Corporation

USPTO Granted Patents = 88

% Expired Patents = 14.8

EPO Patents = 39

Forward Citations = 681

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129 inventors (with patents filed for the assignee):

Makoto Nagata (19 out of 23 patents)

Takashi Itoh (15 out of 17 patents)

Tomoteru Mizusaki (13 out of 13 patents)

4. Yukio Takagi (10 out of 12 patents)

5. Kiyotaka Nagamori (10 out of 10 patents)

6. Yasuharu Kanno (9 out of 9 patents)

7. Yasuhiro Seki (9 out of 10 patents)

8. Hiroshi Igarashi (8 out of 144 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

Exhaust Gas Purification

Hydrogenation Catalyst

Fuel Cell Stack

Selective Catalytic Reduction

Organometallic Complex

Zeolite Catalyst

Gas Diffusion Electrode

Ammonia Oxidation

Metal Nanoparticles

Honeycomb Structure

NOx Reduction

88 patents: Sort by Forward Citations

1. 12676319 - Catalyst for electrode, composition for forming gas diffusion electrode, gas diffusion electrode, membrane-electrode junction, and fuel cell stack (2026-07-07),

2. 12374700 - Electrode catalyst, composition for forming gas diffusion electrode, gas diffusion electrode, membrane electrode assembly, and fuel cell stack (2025-07-29),

3. 12319578 - Catalyst structure, fuel reforming method, and fuel reforming system (2025-06-03),

4. 12239961 - Hydrogenation reaction catalyst used to hydrogenate amide compound and method for producing amine compound using same (2025-03-04),

5. 12187691 - Hydrogenation catalyst used in amide compound hydrogenation and method for producing amine compound using same (2025-01-07),

6. 12110296 - Compound, and method for producing the same (2024-10-08),

7. 12017208 - Cross-coupling reaction catalyst (2024-06-25),

8. 11724249 - Cu—P co-supported zeolite, and selective catalytic reduction catalyst and catalyst for exhaust gas using same (2023-08-15),

9. 11686231 - LNT layered catalyst for lean burn gasoline engine and exhaust gas purification apparatus using the same (2023-06-27),

10. 11484864 - Exhaust gas-purifying three-way catalyst and method for producing same, and integral structure type exhaust gas-purifying catalyst (2022-11-01),

11. 11376568 - Exhaust gas-purifying three-way catalyst (2022-07-05),

12. 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),

13. 11305270 - Honeycomb structure, honeycomb structure type catalyst and production methods therefor (2022-04-19),

14. 11271219 - Electrode catalyst, composition for forming gas diffusion electrode, gas diffusion electrode, membrane electrode assembly and fuel cell stack (2022-03-08),

15. 11167278 - Organometallic complex catalyst (2021-11-09),

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 - Sep 15 2026

88 Patents

#590 in Tokyo

#1,218 in Japan

#8,655 in the World

N.e. Chemcat Corporation

Forward Citations = 681

129 inventors:

Makoto Nagata (19 out of 23 patents)

Takashi Itoh (15 out of 17 patents)

Tomoteru Mizusaki (13 out of 13 patents)

4. Yukio Takagi (10 out of 12 patents)

5. Kiyotaka Nagamori (10 out of 10 patents)

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