Kawagoe, Japan

Toru Hirai

This inventor holds 2 USPTO granted patents. Top assignee: Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1981-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toru Hirai. Retrieved from https://idiyas.com/inventor/toru-hirai-lj6omrtw

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 = 5.7

ph-index = 2

Forward Citations = 15(Granted Patents)


Location History:

  • Iwaki, JP (1981)
  • Kawagoe, JP (1991)

Company Filing History:


Years Active: 1981-1991

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2 patents (USPTO):Explore Patents

Title: **Innovative Contributions of Toru Hirai in the Field of Science**

Introduction

Toru Hirai, an accomplished inventor based in Kawagoe, Japan, has made significant contributions to science and technology through his innovative patents. With a total of two patents to his name, Hirai's work focuses on health-enhancing methods and advanced materials.

Latest Patents

Hirai's latest patents showcase his dedication to improving human health and advancing scientific methods. The first patent, entitled "Method for Preventing Senescence and Increasing Bone Mass," introduces a groundbreaking approach to enhancing bone volume and strength. This method involves administering 24,25-dihydroxy cholecalciferol in a pharmaceutically effective amount, as well as utilizing the compound for creating anti-senescent compositions and formulations aimed at increasing bone mass.

The second patent, named "Method for Electrodepositing a Protein onto an Ion-Exchange Membrane," presents a novel technique for electrodepositing proteins by means of electrophoresis. This process enables the protein to be deposited onto an ion-exchange membrane from a liquid in which it is either dissolved or suspended, accompanied by a suitable apparatus for conducting the electrodeposition.

Career Highlights

Toru Hirai works at Kureha Kagaku Kogyo Kabushiki Kaisha, a prominent company known for its innovative research and development in the field of chemical and polymer products. Hirai's contributions at Kureha highlight his role as a leading scientist dedicated to pushing the boundaries of technology.

Collaborations

Throughout his career, Toru Hirai has collaborated with esteemed colleagues, including Tadaaki Kato and Teruo Sakagami. These partnerships have fostered an environment of innovation and have significantly influenced the success of his projects and patents.

Conclusion

In conclusion, Toru Hirai is a distinguished inventor whose work at Kureha Kagaku Kogyo Kabushiki Kaisha has led to important advancements in health science and material technology. His innovative patents serve as a testament to his dedication to enhancing human health and improving scientific methodologies. As more of his work unfolds, Hirai's contributions will undoubtedly continue to resonate within the scientific community.

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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