This inventor holds 5 USPTO granted patents. Top assignees: Sanyo Electric Co., Ltd., Sanyo Electronic Co., Ltd., Tokyo Sanyo Electric Co.. Active years: 1985-2001.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Oizumi, JP (1985)
- Ora, JP (1993)
- Gunma-ken, JP (1999 - 2001)
Company Filing History:

Years Active: 1985-2001
Title: Masashi Izumi: Innovator in Air Conditioning Systems
Introduction
Masashi Izumi is a notable inventor based in Gunma-ken, Japan. He has made significant contributions to the field of air conditioning technology, holding a total of 5 patents. His innovative designs focus on improving the efficiency and functionality of air conditioning systems.
Latest Patents
One of Masashi Izumi's latest patents is an advanced air conditioning system that comprises a heat source side machine and multiple user side machines. More than half of these user side machines are strategically placed below the heat source side machine. The system utilizes a closed circuit with liquid phase and gas phase pipes, allowing a phase-changeable fluid to circulate based on its specific gravity difference. This design enables effective cooling and heating operations across various installations. Another patent details a similar air conditioning system that emphasizes minimizing power consumption while providing optimal cooling and heating effects. The system is designed to operate efficiently regardless of the floors where the user side units are installed.
Career Highlights
Masashi Izumi has worked with prominent companies such as Sanyo Electric Co., Ltd. and Tokyo Sanyo Electric Co. His experience in these organizations has contributed to his expertise in developing innovative air conditioning solutions.
Collaborations
Throughout his career, Masashi has collaborated with notable individuals, including Hidetoshi Arima and Nobuhiro Idei. These partnerships have likely influenced his work and led to advancements in air conditioning technology.
Conclusion
Masashi Izumi's contributions to air conditioning systems demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of fluid dynamics and energy conservation, making him a significant figure in the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile