Tokyo, Japan

Hirokazu Takayama

This inventor holds 11 USPTO granted patents and 1 published patent application. Top assignees: Ebara Corporation, Sumitomo Heavy Industries, Ltd.. Active years: 1998-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirokazu Takayama. Retrieved from https://idiyas.com/inventor/hirokazu-takayama

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

USPTO Granted Patents = 11 

% Patents Active = 90.9

Average Co-Inventor Count = 2.3

ph-index = 3

Forward Citations = 63(Granted Patents)


Location History:

  • Tokyo, JP (1998 - 2021)
  • Nishitokyo, JP (2013 - 2022)

Company Filing History:


Years Active: 1998-2022

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11 patents (USPTO):Explore Patents

Title: Innovator Hirokazu Takayama: Pioneering Cryogenic Technologies

Introduction

Hirokazu Takayama is a notable inventor based in Tokyo, Japan, recognized for his significant contributions to the field of cryogenic technology. With an impressive portfolio of 11 patents, Takayama has made remarkable strides in innovations that enhance the efficiency and functionality of refrigeration systems.

Latest Patents

Among his latest patents is the innovative design of a cryocooler and cryogenic system. This cryocooler includes an attachment flange featuring a refrigerant gas introduction port, allowing for the introduction of refrigerant gas into a recondensing chamber from ambient temperatures. The design ensures optimal orientation of gas flow, thus improving overall cooling efficiency. Another notable patent details a pulse tube refrigerating machine designed for ease of maintenance. This machine innovatively allows the maintenance of an orifice while enabling continuous circulation of refrigerant gas, greatly reducing maintenance downtime. The system incorporates a high-pressure compressor and a cold head with controlled gas flow managed by strategically placed orifices.

Career Highlights

Throughout his distinguished career, Hirokazu Takayama has worked with esteemed companies such as Ebara Corporation and Sumitomo Heavy Industries, Ltd. His experience at these organizations has propelled his understanding and development of advanced refrigeration technologies.

Collaborations

Takayama has collaborated with notable professionals in his field, including Toshiyuki Ogawa and Mingyao Xu. These collaborations have fostered innovative ideas and advancements in cryogenic systems, further solidifying his status as a leading inventor in the industry.

Conclusion

Hirokazu Takayama’s innovative spirit and dedication to advancing cryogenic technology have positioned him as a prominent figure in the field. His patents reflect a commitment to practical solutions that enhance refrigeration systems, benefiting various applications in technology and industry. As he continues his work, the contributions of Takayama will undoubtedly influence the future of cryogenic innovations.

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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