For the Inventor, By the Inventor

Enter assignee name

Nhwa Pharma. Corporation

USPTO Granted Patents = 13

% Expired Patents = 7.7

EPO Patents = 9

Forward Citations = 29

Loading Chart...

Loading Chart...

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 prominent player in the pharmaceutical industry, specializing in the research, development, and manufacturing of a diverse range of medicinal products. The company focuses on innovative drug formulations and therapeutic solutions, catering to various health needs. Based in Xuzhou, China, Nhwa Pharma is committed to advancing healthcare through its dedication to quality and efficacy, while also engaging in collaborative efforts to enhance its research capabilities and expand its market presence.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

13 Patents

#4 in Xuzhou

#2,186 in China

#44,988 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)

Please report any incorrect information to [email protected]

Loading…