Hitachi, Japan

Hiroyuki Tsuchiya

This inventor holds 6 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Engineering Services Co., Ltd., Hitachi Nuclear Engineering Co., Ltd.. Active years: 1978-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Tsuchiya. Retrieved from https://idiyas.com/inventor/hiroyuki-tsuchiya-foqerr52

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 = 3.5

ph-index = 4

Forward Citations = 34(Granted Patents)


Location History:

  • Hitachi, JA (1978)
  • Hitachi, JP (1981 - 1998)

Company Filing History:


Years Active: 1978-1998

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6 patents (USPTO):Explore Patents

Title: Hiroyuki Tsuchiya: Innovator in Radioactive Waste Treatment

Introduction

Hiroyuki Tsuchiya is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of radioactive waste management, holding a total of 6 patents. His work focuses on developing methods and devices that enhance the safety and efficiency of treating radioactive waste.

Latest Patents

One of Tsuchiya's latest patents is a method for treating radioactive laundry waste water. This invention addresses the challenges posed by waste water generated from nuclear power plants and other facilities handling radioactive materials. The method involves concentrating the waste water using an evaporating concentrator, followed by drying and pulverizing it into a dry powder. This powder can then be incinerated safely, minimizing the volume of radioactive waste produced. Another significant patent is a vessel designed for the solidification treatment of radioactive waste pellets. This vessel features a unique inner lid and a pellet float prevention device that allows for the passage of solidifying materials while preventing the escape of radioactive waste pellets.

Career Highlights

Throughout his career, Tsuchiya has worked with prominent companies such as Hitachi, Ltd. and Hitachi Nuclear Engineering Co., Ltd. His experience in these organizations has contributed to his expertise in nuclear engineering and waste management.

Collaborations

Tsuchiya has collaborated with notable colleagues, including Kunio Kamiya and Hideo Yusa. Their combined efforts have further advanced the field of radioactive waste treatment.

Conclusion

Hiroyuki Tsuchiya's innovative patents and career achievements highlight his commitment to improving safety in radioactive waste management. His contributions are vital in addressing the challenges associated with nuclear waste disposal.

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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