This inventor holds 7 USPTO granted patents. Top assignees: Sanyo Electric Co., Ltd., Sanyo Electric Biomedical Co., Ltd.. Active years: 1993-2009.
Location History:
- Ohra, JP (1993)
- Ohizumi, JP (1993)
- Gunma, JP (2002 - 2003)
- Ora-Gun, JP (2005)
- Gunma-ken, JP (2009)
Company Filing History:
7 out of 8,782 
1 out of 18 Years Active: 1993-2009
Title: **Innovator Spotlight: Jiro Yuzawa**
Introduction
Jiro Yuzawa is a distinguished inventor hailing from Gunma-ken, Japan. With an impressive portfolio of seven patents, he has made significant contributions to the field of refrigeration technology. His innovative spirit and expertise have led to the development of advanced freezing devices that prioritize efficiency and environmental safety.
Latest Patents
Among his latest inventions are groundbreaking patents focused on refrigeration units. One noteworthy invention, the "Freezer Unit," utilizes refrigerants as oil carriers while adhering to regulations concerning ozone-depleting substances. This design enables the achievement of extraordinarily low temperatures, down to -150°C, through a sophisticated system of independent closed refrigerant circuits. It integrates both a high-temperature and a low-temperature refrigerant circuit, showcasing a cascade condenser that utilizes nonazeotropic mixed refrigerants, including R245fa, R600, R404A, R508A, R14, R50, and R740.
Another significant patent is his "Freezing Device," designed to use a safely treatable incombustible mixed refrigerant, capable of reaching temperatures as low as -85°C. This device employs a single refrigerant circuit that enhances cooling functionality while allowing efficient heat exchange between the condensed and evaporated refrigerants. The refrigerant utilized includes various nonazeotropic mixed types, ensuring effective performance.
Career Highlights
Jiro Yuzawa has worked with notable companies, including Sanyo Electric Co., Ltd. and Sanyo Electric Biomedical Co., Ltd. His experience in these organizations has provided him with the knowledge and practical insights necessary for his innovative endeavors.
Collaborations
Throughout his career, Yuzawa has collaborated with talented individuals such as Kazuo Takemasa and Fukuji Yoshida. These partnerships have undoubtedly enriched his work and facilitated the development of groundbreaking technologies in the refrigeration sector.
Conclusion
Jiro Yuzawa's contributions to freezing technology reflect a profound commitment to innovation and environmental responsibility. With seven patents to his name, his work continues to influence the industry and inspire future inventors. His inventive devices not only push the boundaries of refrigeration but also demonstrate the potential of sustainable engineering solutions.