Akou, Japan

Hisasi Oota

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Denki K.k.. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisasi Oota. Retrieved from https://idiyas.com/inventor/hisasi-oota

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 = 2.0

ph-index = 1

Forward Citations = 24(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: Hisasi Oota: Innovator in Cryostat Technology

Introduction

Hisasi Oota is a notable inventor based in Akou, Japan. He has made significant contributions to the field of cryogenics, particularly with his innovative patent related to cryostat technology. His work is essential for maintaining the stability and efficiency of superconducting systems.

Latest Patents

Hisasi Oota holds a patent for a cryostat that includes a cryogen container designed to hold liquid cryogen. The invention features a refrigerator that recondenses cryogen gas resulting from the evaporation of the liquid cryogen. The system is equipped with pressure detection capabilities, allowing for precise control of the internal pressure. When the pressure drops to a negative value due to excessive cooling, a heater activates to raise the temperature, enhancing evaporation. Alternatively, the refrigerator's power can be adjusted to increase the pressure within the cryogen container. This innovative control mechanism helps maintain a constant, positive pressure, preventing deformation of the cryogen container and the superconducting coil, thereby ensuring consistent magnetic field strength and uniformity.

Career Highlights

Hisasi Oota is associated with Mitsubishi Denki K.K., where he applies his expertise in cryogenics. His work has been instrumental in advancing technologies that rely on superconducting materials. His innovative approach to cryostat design showcases his commitment to enhancing the performance and reliability of cryogenic systems.

Collaborations

Hisasi Oota has collaborated with Kazuki Moritsu, contributing to the development of advanced cryogenic technologies. Their partnership has led to significant advancements in the field, further establishing Oota's reputation as a leading inventor.

Conclusion

Hisasi Oota's contributions to cryostat technology exemplify his innovative spirit and dedication to scientific advancement. His patent not only addresses critical challenges in cryogenics but also enhances the performance of superconducting systems. His work continues to influence the field and inspire future 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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