Shizuoka, Japan

Eisaku Hayashi

This inventor holds 1 USPTO granted patent. Top assignee: The Lion Dentrifice Co., Ltd.. Active years: 1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eisaku Hayashi. Retrieved from https://idiyas.com/inventor/eisaku-hayashi-pb9lyage

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 = 3.0

ph-index = 1


Company Filing History:


Years Active: 1980

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1 patent (USPTO):Explore Patents

Title: Eisaku Hayashi: Innovator in Anti-Cancer Compounds

Introduction

Eisaku Hayashi is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of medicinal chemistry, particularly in the development of anti-cancer compounds. His work has the potential to impact cancer treatment positively.

Latest Patents

Hayashi holds a patent for 1-Phenyl-1H-pyrazolo[3,4-d]pyrimidine-4-carbonitrile. This patent describes novel derivatives of 1-phenyl-1H-pyrazolo[3,4-d]pyrimidine that are substituted at the 4-position of the pyrimidine ring. A typical example of this compound is 1-phenyl-1H-pyrazolo[3,4-d]pyrimidine-4-carbonitrile. The compounds exhibit excellent anti-carcinogenic activities, as evidenced by animal tests conducted with mice.

Career Highlights

Eisaku Hayashi is currently associated with The Lion Dentrifice Co., Ltd. His work at this company focuses on innovative solutions in the field of dental care and medicinal chemistry. His research has led to advancements that could benefit cancer patients.

Collaborations

Hayashi has collaborated with notable colleagues, including Shin-ichi Suzuki and Takeo Higashino. These collaborations have fostered a productive research environment, leading to significant advancements in their respective fields.

Conclusion

Eisaku Hayashi is a prominent inventor whose work in developing anti-cancer compounds showcases his dedication to improving health outcomes. His contributions to medicinal chemistry are noteworthy and have the potential to make a lasting impact in the fight against cancer.

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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