Tokyo, Japan

Toshiyuki Tamai

This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignees: Eisai R&d Management Co., Ltd., Eisai R&D Management Co., Ltd.. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiyuki Tamai. Retrieved from https://idiyas.com/inventor/toshiyuki-tamai-ej7n2fhq

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 50.0

Average Co-Inventor Count = 1.0

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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2 patents (USPTO):Explore Patents

Title: Innovations in Hepatocellular Carcinoma Treatment by Toshiyuki Tamai

Introduction

Toshiyuki Tamai is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of medical treatments, particularly in the area of hepatocellular carcinoma (HCC). His innovative approaches aim to improve patient outcomes and provide effective solutions for this challenging condition.

Latest Patents

Toshiyuki Tamai holds 1 patent related to the treatment of hepatocellular carcinoma. His patent focuses on methods for treating unresectable HCC using lenvatinib or a pharmaceutically acceptable salt thereof. The disclosure includes dosage regimens for lenvatinib, which are crucial for managing the treatment of patients with this type of cancer. Additionally, the patent outlines particularly useful dosages and modifications in response to adverse events, ensuring a comprehensive approach to patient care.

Career Highlights

Toshiyuki Tamai is associated with Eisai R&D Management Co., Ltd., where he has been instrumental in advancing research and development in oncology. His work has contributed to the understanding and treatment of hepatocellular carcinoma, showcasing his commitment to improving therapeutic options for patients.

Conclusion

Toshiyuki Tamai's innovative work in the treatment of hepatocellular carcinoma exemplifies the impact of dedicated research in the medical field. His contributions continue to pave the way for advancements in cancer treatment, ultimately benefiting patients worldwide.

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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