Masato Iizuka

This inventor holds 9 USPTO granted patents and 2 published patent applications, plus 3 CIPO patents and 5 EPO patents. Top assignee: Kissei Pharmaceutical Co., Ltd.. Active years: 2011-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masato Iizuka. Retrieved from https://idiyas.com/inventor/masato-iizuka

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 9 (Patent Applications = 2)

% Patents Active = 44.4

CIPO Patents = 3

EPO Patents = 5 (Patent Applications = 6)

Average Co-Inventor Count = 4.4

ph-index = 3

Forward Citations = 19(Granted Patents)

Location History:

Azumino, JP (2011 - 2015)
Matsumoto, JP (2017)

Company Filing History:

9 out of 176

Kissei Pharmaceutical Co., Ltd.

patents

Years Active: 2011-2017

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9643969 - (aza)indolizine derivative and pharmaceutical use thereof (2017-05-09),

2. 9023882 - 5-membered nitrogen containing heterocyclic derivatives and pharmaceutical compositions comprising the same (2015-05-05),

3. 8993616 - (aza)indole derivative and use thereof for medical purposes (2015-03-31),

4. 8829040 - (aza)indole derivative and use thereof for medical purposes (2014-09-09),

5. 8748452 - Indolizine derivative and use thereof for medical purposes (2014-06-10),

6. 8466152 - (aza)indole derivative and use thereof for medical purposes (2013-06-18),

7. 8263622 - Fused-ring derivative and medical application of same (2012-09-11),

8. 8227500 - 5-membered nitrogen containing heterocyclic derivatives and pharmaceutical compositions comprising the same (2012-07-24),

9. 8003647 - (Aza)indole derivative and use thereof for medical purposes (2011-08-23),

Title: Masato Iizuka: Innovator in Pharmaceutical Chemistry

Introduction

Masato Iizuka is a prominent inventor based in Azumino, Japan. He has made significant contributions to the field of pharmaceutical chemistry, particularly in the development of compounds that target xanthine oxidase. With a total of 9 patents to his name, Iizuka's work is instrumental in addressing diseases associated with abnormal serum uric acid levels.

Latest Patents

Iizuka's latest patents include innovative compounds such as (aza)indolizine derivatives. These derivatives are represented by a specific formula and exhibit xanthine oxidase inhibitory activities. They are useful as agents for the prevention or treatment of diseases related to abnormal serum uric acid levels. Additionally, he has developed 5-membered nitrogen-containing heterocyclic derivatives, which also demonstrate xanthine oxidase inhibitory activities and are beneficial in treating similar conditions.

Career Highlights

Masato Iizuka is currently associated with Kissei Pharmaceutical Co., Ltd., where he continues to advance his research and development efforts. His work has led to the creation of pharmaceutical compositions that hold promise for improving patient outcomes in various medical conditions.

Collaborations

Iizuka has collaborated with notable colleagues such as Kazuo Shimizu and Yasushi Takigawa. These partnerships have fostered a collaborative environment that enhances innovation and the development of new therapeutic agents.

Conclusion

Masato Iizuka's contributions to pharmaceutical chemistry are noteworthy, particularly in the realm of xanthine oxidase inhibitors. His innovative patents and collaborations reflect his commitment to advancing medical science and improving health outcomes.

Profile summary based on public USPTO records.