Kanagawa, Japan

Takaharu Hirayama

This inventor holds 15 USPTO granted patents and 1 published patent application and 5 EPO patents, primarily in Heterocyclic Compounds. Top assignees: Takeda Pharmaceutical Company Limited, Millennium Pharmaceuticals Limited, Patcore, Inc.. Active years: 2011-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takaharu Hirayama. Retrieved from https://idiyas.com/inventor/takaharu-hirayama

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

Calculating rank
USPTO Granted Patents = 15 

% Patents Active = 93.3

 

Average Co-Inventor Count = 6.9

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Tsukuba, JP (2011)
  • Ibaraki, JP (2011 - 2012)
  • Fujisawa, JP (2017 - 2024)
  • Kanagawa, JP (2018 - 2024)

Company Filing History:


Years Active: 2011-2025

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Areas of Expertise:
CDK12 Inhibitors
Heterocyclic Compound
Heterocyclic Amide
Quinoxaline Compounds
Imidazo-Pyridazinyl
Fused Heterocyclic
Kinase Inhibitory Activity
Pharmaceutical Agent
15 patents (USPTO):Explore Patents

Title: The Innovative Mind of Takaharu Hirayama

Introduction: Takaharu Hirayama, a distinguished inventor based in Kanagawa, Japan, has made significant contributions to the field of pharmaceuticals through his remarkable innovations. With a portfolio boasting 14 patents, his work primarily focuses on developing compounds that address critical health issues.

Latest Patents: Among his most recent patents are groundbreaking heterocyclic compounds. One patent involves a compound effective in inhibiting MALT1, which shows promise as a prophylactic or therapeutic drug for cancer and related conditions. The second patent presents another heterocyclic compound that acts as an antagonist on an NMD A receptor containing the NR2B subunit. This compound is anticipated to be beneficial in treating depression, bipolar disorder, migraine, pain, and peripheral symptoms of dementia, showcasing Hirayama's commitment to addressing various mental health issues.

Career Highlights: Takaharu Hirayama has held key positions at prominent organizations, including Takeda Pharmaceutical Company Limited and Millennium Pharmaceuticals Limited. His tenure at these companies has allowed him to leverage his expertise in drug discovery and development, leading to his impressive patent record.

Collaborations: Throughout his career, Hirayama has collaborated with notable colleagues, including Shinichi Imamura and Masanori Okaniwa. These partnerships have undoubtedly fostered innovation and contributed to the advancement of pharmaceutical research.

Conclusion: Takaharu Hirayama stands as a beacon of innovation in the pharmaceutical industry. With his extensive patent portfolio and dedication to developing impactful therapeutic drugs, he continues to influence the landscape of medical research. His work not only reflects his personal commitment to innovation but also offers hope for advancements in treating critical health challenges.

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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