Yasunori Tsuzaki

This inventor holds 8 USPTO granted patents, plus 2 CIPO patents and 4 EPO patents. Top assignees: Ube Industries, Inc., Sankyo Company, Limited, Sanwa Kagaku Kenkyusho Co., Ltd.. Active years: 1994-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasunori Tsuzaki. Retrieved from https://idiyas.com/inventor/yasunori-tsuzaki

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

Calculating rank

USPTO Granted Patents = 8

% Patents Active = 50.0

CIPO Patents = 2 (Patent Applications = 1)

EPO Patents = 4 (Patent Applications = 4)

Average Co-Inventor Count = 8.0

ph-index = 2

Forward Citations = 63(Granted Patents)

Company Filing History:

Sankyo Company, Limited

patents

2 out of 108

Sanwa Kagaku Kenkyusho Co., Ltd.

patents

4. 1 out of 282

Santen Pharmaceutical Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1994-2019

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10519112 - Method for producing heteroaromatic sulfonamide compound (2019-12-31),

2. 10392345 - Crystal of salt of novel 3-azabicyclo[3.1.0]hexane derivative and pharmaceutical use thereof (2019-08-27),

3. 9663463 - 3-azabicyclo[3.1.0]hexane derivative and use thereof for medical purpose (2017-05-30),

4. 8816092 - Indazole derivative or salt thereof and production intermediate thereof, and antioxidant using same, and use of indazole derivative or salt thereof (2014-08-26),

5. 8377922 - Benzazepinone compound (2013-02-19),

6. 8227480 - Indazole derivative having spiro ring structure in side chain (2012-07-24),

7. 5436242 - Tetrahydrothienopyridine derivatives, furo and pyrrolo analogs thereof (1995-07-25),

8. 5288726 - Tetrahydrothienopyridine derivatives, furo and pyrrolo analogs thereof (1994-02-22),

Title: Yasunori Tsuzaki: Innovator in Sulfonamide Compounds

Introduction

Yasunori Tsuzaki is a prominent inventor based in Ube, Japan. He has made significant contributions to the field of chemistry, particularly in the development of sulfonamide compounds. With a total of 8 patents to his name, Tsuzaki's work has had a notable impact on pharmaceutical applications.

Latest Patents

One of Tsuzaki's latest patents is a method for producing heteroaromatic sulfonamide compounds. This invention provides a method for producing a mixed sulfonic acid anhydride by reacting a sulfonic acid compound with a perfluoroalkyl sulfonic acid anhydride or halide. Another significant patent involves a crystal of a novel 3-azabicyclo[3.1.0]hexane derivative, which exhibits μ-opioid receptor antagonistic action with minimal side effects and high safety. This crystal is characterized by its high purity and excellent physical properties, making it a valuable asset in pharmaceutical development.

Career Highlights

Throughout his career, Yasunori Tsuzaki has worked with notable companies such as Ube Industries, Inc. and Sankyo Company Limited. His experience in these organizations has allowed him to refine his expertise in chemical innovations and contribute to various research projects.

Collaborations

Tsuzaki has collaborated with esteemed colleagues, including Masahiko Hagihara and Tomio Kimura. These partnerships have fostered a collaborative environment that has led to advancements in their respective fields.

Conclusion

Yasunori Tsuzaki's contributions to the field of chemistry, particularly in sulfonamide compounds, highlight his innovative spirit and dedication to research. His patents and collaborations reflect a commitment to advancing pharmaceutical science.

Profile summary based on public USPTO records.