Osaka, Japan

Keisuke Ota

This inventor holds 3 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignees: Yanmar Co., Ltd., Yanmar Power Technology Co., Inc.. Active years: 2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keisuke Ota. Retrieved from https://idiyas.com/inventor/keisuke-ota-zu05h0cv

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

USPTO Granted Patents = 3 

% Patents Active = 33.3

 

Average Co-Inventor Count = 4.6

ph-index = 1


Company Filing History:


Years Active: 2020

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3 patents (USPTO):Explore Patents

Title: Keisuke Ota: Innovator in Heat Pump Technology

Introduction

Keisuke Ota is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of heat pump technology, holding three patents that showcase his innovative designs and engineering skills. His work has been instrumental in advancing energy-efficient heating and cooling systems.

Latest Patents

One of Ota's latest patents involves an exemplary heat pump that includes a compressor designed to compress a refrigerant. This system features a first heat exchanger that condenses the compressed refrigerant, along with a flow rate adjustment valve to regulate the flow of the condensed refrigerant. Additionally, it incorporates an expansion valve with an adjustable opening to decompress the refrigerant, a second heat exchanger to cool a temperature control target, and a control device that manages the opening of both the expansion valve and the flow rate adjustment valve based on temperature and flow rate differences.

Another patent by Ota describes a heat pump system that includes a compressor that discharges refrigerant, an oil separator to separate oil from the refrigerant, and an oil return channel that returns the separated oil to the compressor. This design also features a pressure sensor to detect pressure in the oil return channel, along with pressure loss members and a control device that adjusts the compressor's output based on pressure readings.

Career Highlights

Throughout his career, Keisuke Ota has worked with prominent companies such as Yanmar Co., Ltd. and Yanmar Power Technology Co., Inc. His experience in these organizations has allowed him to refine his skills and contribute to the development of advanced technologies in the heating and cooling sector.

Collaborations

Ota has collaborated with talented individuals in his field, including Hirotoshi Kihara and Terunori Aikawa. These partnerships have fostered innovation and have led to the successful development of new technologies.

Conclusion

Keisuke Ota is a distinguished inventor whose work in heat pump technology has made a significant impact on energy efficiency. His patents reflect his commitment to innovation and his ability to solve complex engineering challenges. Ota's contributions continue to influence the industry and inspire future advancements in heating and cooling systems.

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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