Fujisawa, Japan

Shigemi Ota

This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Hitachi, Ltd., Other. Active years: 2003-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigemi Ota. Retrieved from https://idiyas.com/inventor/shigemi-ota

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

Calculating rank
USPTO Granted Patents = 3 

% Patents Active = 33.3

Average Co-Inventor Count = 2.0

ph-index = 3

Forward Citations = 172(Granted Patents)


Company Filing History:


Years Active: 2003-2008

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3 patents (USPTO):Explore Patents

Title: Shigemi Ota: Innovator in Cooling Technologies

Introduction

Shigemi Ota is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of cooling technologies, holding a total of 3 patents. His innovative designs focus on enhancing the efficiency of cooling systems, particularly in server environments.

Latest Patents

One of Ota's latest patents is a liquid cooling system for a rack-mount server system. This system utilizes a coolant to cool heat-generating components, such as CPUs, through a circulation path that connects multiple server modules. A cooling unit is integrated into the system to radiate heat to the outside air, ensuring optimal performance. Additionally, a bypass route is included to control the circulation quantity of the coolant, allowing for efficient cooling management.

Another significant patent is a cooling method and apparatus for electric devices. This apparatus features a fan box with multiple suction and exhaust openings, designed to enhance airflow. The arrangement of fan units allows for effective suction and exhaust, improving the overall cooling efficiency of the device.

Career Highlights

Throughout his career, Shigemi Ota has worked with prominent companies, including Hitachi, Ltd. His experience in these organizations has contributed to his expertise in developing advanced cooling solutions.

Collaborations

Ota has collaborated with notable colleagues, including Takashi Moriyama and Shinji Matsushita. These partnerships have fostered innovation and the exchange of ideas in the field of cooling technologies.

Conclusion

Shigemi Ota's contributions to cooling technologies have made a significant impact in the industry. His innovative patents reflect his commitment to enhancing the efficiency of cooling systems, particularly in server applications.

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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