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For the Inventor, By the Inventor

Zhejiang, China

Zhejiang Nhu Company Ltd.


USPTO Granted Patents = 29



Trademarks = 13

Forward Citations = 7

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126 inventors (with patents filed for the assignee):

goldMedal Zhirong Chen (19 out of 23 patents)

silverMedal Hong Yin (11 out of 17 patents)

bronzeMedal Haoran Li (8 out of 11 patents)

4.  Baishan Hu (7 out of 7 patents)

5.  Qichuan Li (7 out of 7 patents)

6.  Guiyang Zhou (6 out of 6 patents)

7.  Dan Qiu (6 out of 6 patents)

8.  Lifang Shi (4 out of 4 patents)

9.  Yong Wang (3 out of 17 patents)

10.  Yong Li (3 out of 7 patents)

11.  Woyuan Li (3 out of 3 patents)

12.  Ming Lian (3 out of 3 patents)

13.  Jianyong Mao (3 out of 4 patents)

14.  Xiao Ma (3 out of 4 patents)

15.  Shanjun Mao (3 out of 5 patents)


29 patents:

1. 12435033 - Method and device for preparing adiponitrile (2025-10-07),
2. 12391969 - Additive used in methionine preparation process, and methionine preparation method (2025-08-19),
3. 12331007 - Use of a multidentate phosphite ligand in the catalytic synthesis of adiponitrile (2025-06-17),
4. 12275692 - Method for preparing sodium taurate as taurine intermediate, and method for preparing taurine (2025-04-14),
5. 12168717 - Semi-aromatic polyamide resin and preparation method therefor (2024-12-17),
6. D1013533 - Bag packaging (2024-02-06),
7. 11891355 - Method for preparing taurine and method for recovering mother liquor thereof (2024-02-06),
8. 11632970 - Vitamin and carotenoid powder and its preparation method and application (2023-04-25),
9. 11440996 - Preparation method of polyphenylene sulfide resin, and polyphenylene sulfide resin prepared thereby (2022-09-13),
10. 11390893 - Method for extracting coenzyme Q10 and phospholipid from coenzyme Q10 fermentation bacterial powder (2022-07-19),
11. 11220478 - Preparation method for 4-phenylthio-benzenethiol (2022-01-11),
12. 11180440 - Method for preparing isophorone diamine by means of hydrogenation reduction of isophorone nitrile imine (2021-11-23),
13. 11142542 - Method for synthesizing sucrose-6-ester (2021-10-12),
14. 11130732 - Method and device for preparing 2-hydroxy-4-methylthiobutyric acid and intermediates thereof (2021-09-28),
15. 11130115 - Selective hydrogenation catalyst, preparation method and application thereof (2021-09-28),
Zhejiang NHU Company Ltd. is a leading global provider of essential amino acids, vitamins, and fragrances. With over 20 years of experience in the industry, NHU has established itself as a trusted supplier to various sectors including food, feed, pharmaceuticals, and personal care. The company is committed to sustainable development and innovation in order to meet the evolving needs of its customers.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

29 Patents

#23 in Zhejiang

#941 in China

#21,885 in the World

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Zhejiang, China

Zhejiang Nhu Company Ltd.

Forward Citations = 7

126 inventors:

goldMedal Zhirong Chen (19 out of 23 patents)

silverMedal Hong Yin (11 out of 17 patents)

bronzeMedal Haoran Li (8 out of 11 patents)

4.  Baishan Hu (7 out of 7 patents)

5.  Qichuan Li (7 out of 7 patents)

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