Fujinomiya, Japan

Mitsuyoshi Tatsumi

This inventor holds 1 USPTO granted patent. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsuyoshi Tatsumi. Retrieved from https://idiyas.com/inventor/mitsuyoshi-tatsumi

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 = 3.0

ph-index = 1

Forward Citations = 21(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Mitsuyoshi Tatsumi: Innovator in Air Conditioning Technology

Introduction

Mitsuyoshi Tatsumi is a notable inventor based in Fujinomiya, Japan. He has made significant contributions to the field of air conditioning technology. His innovative approach has led to the development of a unique air conditioning system that enhances efficiency and user comfort.

Latest Patents

Mitsuyoshi Tatsumi holds a patent for an air conditioner featuring a refrigerant heater. This invention includes a heat-pump refrigeration circuit that consists of a compressor, a four-way valve, an outdoor heat exchanger, a pressure reducer, and an indoor heat exchanger, all connected in sequence. The refrigerant heater's heating capacity is variable, allowing for effective temperature control. The system incorporates release control to reduce the heating capacity when the detected temperature exceeds a predetermined threshold. Additionally, it features a mode switch that enables a hot air blow-off mode, ensuring optimal performance during heating operations.

Career Highlights

Mitsuyoshi Tatsumi is associated with Kabushiki Kaisha Toshiba, a leading company in technology and innovation. His work at Toshiba has allowed him to collaborate with other talented engineers and contribute to advancements in air conditioning systems.

Collaborations

Mitsuyoshi has worked alongside notable colleagues such as Haruo Noguchi and Takashi Kobayashi. Their combined expertise has fostered a collaborative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Mitsuyoshi Tatsumi's contributions to air conditioning technology exemplify the impact of innovative thinking in engineering. His patent for an air conditioner with a refrigerant heater showcases his commitment to enhancing user comfort and energy efficiency.

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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