Sakai, Japan

Katsuyoshi Nakatsuzi

This inventor holds 1 USPTO granted patent. Top assignee: Dainippon Pharmaceutical Company, Limited. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuyoshi Nakatsuzi. Retrieved from https://idiyas.com/inventor/katsuyoshi-nakatsuzi

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents

Title: Katsuyoshi Nakatsuzi: Innovator in Antihypertensive Compounds

Introduction

Katsuyoshi Nakatsuzi is a notable inventor based in Sakai, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of antihypertensive compounds. His work has implications for treating hypertension while minimizing side effects.

Latest Patents

Katsuyoshi Nakatsuzi holds a patent for a compound titled "3-Piperazinyl 1,2,4-benzothiadiazine 1,1-dioxide derivatives." This compound is characterized by a specific formula where R₁ represents a hydrogen atom or a lower alkyl group, and R₂ can be a hydrogen or halogen atom or a trifluoromethyl group. The preparation of this compound involves reacting the corresponding 1,2,4-benzothiadiazine 1,1-dioxide with a piperazine compound. This innovative compound exhibits superior antihypertensive activity while being free from diuretic, antidiuretic, and hyperglycemic activities, thus minimizing side effects.

Career Highlights

Katsuyoshi Nakatsuzi is associated with Dainippon Pharmaceutical Company, Limited, where he has been instrumental in advancing pharmaceutical research. His expertise in antihypertensive compounds has positioned him as a key figure in the industry.

Collaborations

Katsuyoshi has collaborated with notable colleagues, including Hiroko Kon and Hiroaki Kinugasa. Their combined efforts have contributed to the successful development of innovative pharmaceutical solutions.

Conclusion

Katsuyoshi Nakatsuzi's work in the field of antihypertensive compounds showcases his dedication to improving healthcare through innovation. His patented compound represents a significant advancement in the treatment of hypertension, highlighting the importance of research and collaboration in the pharmaceutical industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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