Yachiyo, Japan

Hiroyoshi Hamanaka

This inventor holds 8 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignees: Mitsubishi Petrochemical Company Limited, Toho Chemical Industry Co., Ltd., Other. Active years: 1980-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyoshi Hamanaka. Retrieved from https://idiyas.com/inventor/hiroyoshi-hamanaka

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

USPTO Granted Patents = 8 

% Patents Active = 87.5

 

Average Co-Inventor Count = 1.5

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Yachio, JP (1982)
  • Oaza Murakami, Yachiyo-shi, JP (1987)
  • Yachiyo, JP (1980 - 1991)
  • Chiba, JP (2001)
  • Yachiyo shi, Chiba JP (2007)

Company Filing History:


Years Active: 1980-2007

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8 patents (USPTO):Explore Patents

Title: Innovations of Hiroyoshi Hamanaka

Introduction

Hiroyoshi Hamanaka is a notable inventor based in Yachiyo, Japan. He has made significant contributions to the field of inventions, holding a total of eight patents. His work focuses on methods and equipment that enhance human well-being and environmental sustainability.

Latest Patents

Hamanaka's latest patents include a method of in-pipe activation of running water and an in-pipe activator for running water. This invention provides a simple-to-operate solution that ensures long-term stable performance while benefiting both humans and the environment. The technology utilizes infrared radiation emitted from germanium-including biotite, strategically placed near a repulsive magnetic field generated by opposing permanent magnet north poles. Another recent patent is a subliming propolis solid composition and the process for its preparation. This composition is designed to offer a stable fragrance and serves as an atmosphere-ameliorating agent, comprising a propolis mass, water, a surfactant, and a hydrophilic polymer compound.

Career Highlights

Throughout his career, Hamanaka has worked with various companies, including Toho Chemical Industry Co., Ltd. His innovative spirit and dedication to research have led to the development of technologies that address practical challenges in everyday life.

Collaborations

Hamanaka has collaborated with notable individuals in his field, including Tetsuji Kakizaki and Toshio Ikeuchi. These partnerships have contributed to the advancement of his inventions and the successful realization of his projects.

Conclusion

Hiroyoshi Hamanaka's contributions to innovation and invention reflect his commitment to improving human life and the environment. His patents demonstrate a blend of scientific knowledge and practical application, making him a significant figure in the realm of inventions.

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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