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For the Inventor, By the Inventor

Tsukuba, Japan

Takashi Hayama

This inventor holds 16 USPTO granted patents. Top assignee: Banyu Pharmaceutical Co. Ltd. Active years: 1992-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Hayama. Retrieved from https://idiyas.com/inventor/takashi-hayama

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

USPTO Granted Patents = 16

% Patents Active = 75.0

Average Co-Inventor Count = 4.3

ph-index = 6

Forward Citations = 150(Granted Patents)


Location History:

  • Kawasaki, JP (1994)
  • Tokyo, JP (1992 - 1997)
  • Ibaraki, JP (2005 - 2006)
  • Tsukuba, JP (1995 - 2008)

Company Filing History:

goldMedal16 out of 237 
 
Banyu Pharmaceutical Co. Ltd
 patents

Years Active: 1992-2008

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16 patents (USPTO):Explore Patents
1. 7354946 - Biarylurea derivatives (2008-04-08),
2. 7148224 - Pyrazinone derivatives (2006-12-12),
3. 6958333 - Biarylurea derivatives (2005-10-25),
4. 6914062 - Pyrazinone derivatives (2005-07-05),
5. 6413979 - Substituted 5-(2,2-difluoro-1,3-benzodioxol-5-yl) cyclopentenopyridine derivative (2002-07-02),
6. 5714479 - Endothelin antagonistic heteroaromatic ring-fused cyclopentene (1998-02-03),
7. 5691315 - Endothelin antagonistic peptide derivatives (1997-11-25),
8. 5498717 - 6,7-dialkoxy-3,4-diydroisoquinolin-8-yl compounds (1996-03-12),
9. 5496928 - Endothelin antagonistic substance (1996-03-05),
10. 5470833 - Endothelin antagonistic peptide derivatives (1995-11-28),
11. 5446164 - Process for preparing 6,7-dialkoxy-3,4-dihydroisoquinolin-8-ol (1995-08-29),
12. 5444152 - Endothelin antagonistic peptide derivatives (1995-08-22),
13. 5389620 - Endothelin antagonistic heteroaromatic ring-fused cyclopentene (1995-02-14),
14. 5380921 - Aminophosponic acid derivative (1995-01-10),
15. 5362736 - Isoquinoline derivatives (1994-11-08),

Title: Takashi Hayama: Innovator in Pharmaceutical Chemistry

Introduction

Takashi Hayama is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of pharmaceutical chemistry, particularly in the development of compounds that target cancer treatment. With a total of 16 patents to his name, Hayama's work has the potential to impact the medical community significantly.

Latest Patents

Among his latest innovations are the biarylurea derivatives, which relate to a compound designed to inhibit Cdk4 and/or Cdk6 for treating malignant tumors. This compound exhibits notable growth inhibitory activity against tumor cells, showcasing its potential as a therapeutic agent. Another significant patent involves pyrazinone derivatives, which also serve as inhibitors of Cdk4 and/or Cdk6, further establishing Hayama's focus on anti-cancer agents. These compounds are not only innovative but also represent a step forward in the fight against cancer.

Career Highlights

Hayama is currently associated with Banyu Pharmaceutical Co. Ltd., where he continues to develop groundbreaking pharmaceutical solutions. His work has been instrumental in advancing the understanding and treatment of various cancers through innovative chemical compounds.

Collaborations

Throughout his career, Hayama has collaborated with notable colleagues such as Kiyofumi Ishikawa and Mitsuo Yano. These partnerships have fostered a collaborative environment that enhances the research and development of new pharmaceutical products.

Conclusion

In summary, Takashi Hayama is a distinguished inventor whose work in pharmaceutical chemistry is paving the way for new cancer treatments. His innovative patents and collaborations highlight his commitment to advancing medical science.

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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