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Nhwa Pharma. Corporation

USPTO Granted Patents = 13

% Expired Patents = 7.7

EPO Patents = 9

Forward Citations = 29

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41 inventors (with patents filed for the assignee):

Guisen Zhang (11 out of 11 patents)

Xiangqing Xu (8 out of 10 patents)

Minquan Yu (6 out of 6 patents)

4. Yin Chen (5 out of 8 patents)

5. Song Zhao (5 out of 5 patents)

6. Jianqi Li (5 out of 18 patents)

7. Guan Zhong Wang (4 out of 17 patents)

8. Yinli Qiu (4 out of 4 patents)

9. Bifeng Liu (4 out of 5 patents)

10. Shicheng Liu (4 out of 4 patents)

11. Xin Liu (3 out of 10 patents)

12. Xiangping Yang (3 out of 3 patents)

13. Yanqin Ma (3 out of 3 patents)

14. Shixia Zhou (2 out of 2 patents)

15. Lin Guo (2 out of 2 patents)

13 patents: Sort by Forward Citations

1. 10517862 - Fused heterocyclic compound derivative and application thereof (2019-12-31),

2. 10501452 - Lactam compound derivative and application thereof (2019-12-10),

3. 10093644 - 3-[(Benzo[D][1,3]dioxolan-4-yl)-oxy]-3-arylpropylamine type compounds and applications thereof (2018-10-09),

4. 9315496 - Benzopyrone derivative and use thereof (2016-04-19),

5. 9238632 - 3-cyanoanilinoalkylarylpiperazine derivative and use thereof in preparing drugs (2016-01-19),

6. 9018213 - Alicyclic[c] benzopyrone derivatives and uses thereof (2015-04-28),

7. 8993575 - [1,3,4] oxadiazole derivative and application thereof (2015-03-31),

8. 8778948 - Substituted phenylpiperazinyl aralkylalcohol derivatives, pharmaceutical compositions containing such derivatives and uses thereof (2014-07-15),

9. 8653281 - Process for the manufacture of agomelatine and its intermediate (2014-02-18),

10. 8501778 - Aralkyl piperidine derivatives and their uses as antalgic or ataractic agent (2013-08-06),

11. 8420652 - Use of aryl piperazine derivatives in manufacturing medicants for treating pain (2013-04-16),

12. 7667071 - Process for the preparation of gabapentin hydrochloride (2010-02-23),

13. 7332495 - Aralkyl-ketone piperazine derivatives and their uses as new antalgic or ataractic agent (2008-02-19),

NHWA PHARMA. CORPORATION is a global pharmaceutical company committed to improving the health and wellbeing of people around the world. With a strong focus on research, development, and manufacturing of innovative pharmaceutical products, NHWA PHARMA. CORPORATION strives to deliver high-quality medicines to patients. The company's dedication to excellence, ethical business practices, and customer satisfaction have earned them a trusted reputation in the industry. Visit their website for more information and to explore their range of pharmaceutical products.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

13 Patents

#4 in Xuzhou

#2,177 in China

#44,950 in the World

Nhwa Pharma. Corporation

Forward Citations = 29

41 inventors:

Guisen Zhang (11 out of 11 patents)

Xiangqing Xu (8 out of 10 patents)

Minquan Yu (6 out of 6 patents)

4. Yin Chen (5 out of 8 patents)

5. Song Zhao (5 out of 5 patents)

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