CIPO Patents = 1

EPO Patents = 2

Forward Citations = 47

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9 inventors (with patents filed for the assignee):

Naotaka Ohtake (2 out of 13 patents)

Kazuhiko Yokota (2 out of 7 patents)

Shigeru Aozasa (2 out of 2 patents)

4. Bernard Pacaud (2 out of 3 patents)

5. Emmanuel Rohart (1 out of 20 patents)

6. Eisaku Suda (1 out of 6 patents)

7. Lianxin Dai (1 out of 1 patent)

8. Michiya Ohashi (1 out of 1 patent)

9. Yoshimasa Katayama (1 out of 1 patent)

10. Kazuhiko Yokota (0 patent)

11. Shigeru Anan Kasei Co Ltd Aozasa (0 patent)

12. Bernard Anan Kasei Co Ltd Pacaud (0 patent)

13. Lianxin Anan Kasei Co Ltd Dai (0 patent)

14. Emmanuel Rhodia Electronics & Catalysis Rohart (0 patent)

6 patents: Sort by Forward Citations

1. 8921255 - Complex oxide, method for producing same and exhaust gas purifying catalyst (2014-12-30),

2. 8435919 - High specific surface area mixed oxide of cerium and of another rare earth, preparation method and use in catalysis (2013-05-07),

3. 7361322 - Ceric oxide and method for production thereof, and catalyst for exhaust gas clarification (2008-04-22),

4. 7119041 - Cerium based composite oxide, sintered product thereof and method for preparation thereof (2006-10-10),

5. 6294097 - Method for treating waste water containing nitrate ions (2001-09-25),

6. 6171572 - Method for preparing a zirconium-cerium composite oxide (2001-01-09),

Anan Kasei Co., Ltd. is a leading chemical manufacturing company based in Japan. With a focus on innovation and sustainability, we provide a wide range of high-quality chemicals for various industries such as automotive, electronics, and construction. Our state-of-the-art facilities and expert team ensure top-notch products and services that meet the needs of our clients worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

6 Patents

#14 in Tokushima

#5,850 in Japan

Tokushima, Japan

Anan Kasei Co., Ltd.

Forward Citations = 47

9 inventors:

Naotaka Ohtake (2 out of 13 patents)

Kazuhiko Yokota (2 out of 7 patents)

Shigeru Aozasa (2 out of 2 patents)

4. Bernard Pacaud (2 out of 3 patents)

5. Emmanuel Rohart (1 out of 20 patents)

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1 patent (CIPO):

Please report any incorrect information to support@idiyas.com

2 patents (EPO):

Please report any incorrect information to support@idiyas.com