Zama, Japan

Noriaki Hirayama

This inventor holds 6 USPTO granted patents. Top assignees: Kyowa Hakko Kogyo Co., Ltd., Toyo Boseki Kabushiki Kaisha. Active years: 1983-2009.

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

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

Calculating rank

% Patents Active = 83.3

Average Co-Inventor Count = 8.0

ph-index = 1

Forward Citations = 23(Granted Patents)


Location History:

  • Machida, JP (1983)
  • Zama, JP (1985 - 2009)

Company Filing History:


Years Active: 1983-2009

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6 patents (USPTO):Explore Patents

Title: Noriaki Hirayama: Innovator in Biochemical Engineering

Introduction

Noriaki Hirayama is a prominent inventor based in Zama, Japan. He has made significant contributions to the field of biochemical engineering, particularly in the development of glucose dehydrogenases and novel physiologically active substances. With a total of 6 patents, his work has had a considerable impact on various applications in biotechnology.

Latest Patents

Hirayama's latest patents include a modified pyrroloquinoline quinone (PQQ) dependent glucose dehydrogenase, known as PQQGDH. This invention boasts improved substrate specificity and specific activity in an assay system utilizing ferricyanide ion as a mediator. Additionally, he has developed novel substances KS-504a, KS-504b, KS-504d, and KS-504e, which exhibit vasodilative activity and the ability to inhibit histamine secretion. These substances are produced by culturing a microorganism from the genus Mollisia.

Career Highlights

Throughout his career, Noriaki Hirayama has worked with notable companies such as Kyowa Hakko Kogyo Co., Ltd. and Toyo Boseki Kabushiki Kaisha. His expertise in biochemical engineering has allowed him to contribute to various innovative projects and advancements in the field.

Collaborations

Hirayama has collaborated with esteemed colleagues, including Hiroshi Kase and Satoshi Nakanishi. These partnerships have fostered a collaborative environment that has led to significant advancements in their respective fields.

Conclusion

Noriaki Hirayama's contributions to biochemical engineering through his patents and collaborations highlight his role as an influential inventor. His work continues to inspire advancements in biotechnology and related fields.

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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