Kamakura, Japan

Yoshio Hirayama

This inventor holds 4 USPTO granted patents. Top assignees: Ebara Manufacturing Co., Ltd., Agency of Industrial Science and Technology, Other. Active years: 1976-1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshio Hirayama. Retrieved from https://idiyas.com/inventor/yoshio-hirayama-p75tiu2m

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 = 2.8

ph-index = 4

Forward Citations = 58(Granted Patents)


Location History:

  • Kamakura, JA (1976)
  • Zushi, JA (1976 - 1978)

Company Filing History:


Years Active: 1976-1978

Loading Chart...
4 patents (USPTO):Explore Patents

Title: Innovations of Yoshio Hirayama

Introduction

Yoshio Hirayama is a notable inventor based in Kamakura, Japan. He has made significant contributions to the field of pulverization technology, holding a total of 4 patents. His work focuses on methods and apparatuses that enhance the quality and efficiency of pulverized materials.

Latest Patents

One of his latest patents is a "Pulverizing method and apparatus." This invention provides a method and apparatus for pulverization and segregation, ensuring the desired quality of pulverized materials. The process involves controlling the discharge rate of the mixture through a discharge opening, which regulates the quantity and time the mixture remains within the pulverizer. Additionally, the pulverizer is equipped with a weir at the discharge end of the drum or cylinder to facilitate this restriction. The design also includes beaters that have safety mechanisms, allowing them to pivot when encountering relatively stiff constituents in the mixture.

Another significant patent is the "Method and apparatus for recovering crude pulp stock from municipal waste." This innovative approach recovers crude pulp stock from municipal waste by selectively pulverizing food waste. The process involves removing the pulverized garbage, moistening the remaining waste to weaken materials like waste paper, and extracting the pulverized crude pulp stock.

Career Highlights

Yoshio Hirayama has worked with Ebara Manufacturing Co., Ltd., where he has contributed to various projects and innovations. His experience in the industry has allowed him to develop practical solutions that address real-world challenges in waste management and material processing.

Collaborations

Throughout his career, Hirayama has collaborated with notable individuals such as Kanichi Ito and Ryoichi Takeuchi. These partnerships have fostered a creative environment that has led to the development of innovative technologies.

Conclusion

Yoshio Hirayama's contributions to the field of pulverization and waste recovery demonstrate his commitment to innovation and sustainability. His patents reflect a deep understanding of material processing, making him a significant figure in his field.

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]
Loading…