This inventor holds 4 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1998-2001.
Company Filing History:
Years Active: 1998-2001
Title: Koji Nariyoshi: Innovator in Refrigeration Technology
Introduction
Koji Nariyoshi is a prominent inventor based in Tochigi, Japan. He has made significant contributions to the field of refrigeration technology, holding a total of 4 patents. His work focuses on developing advanced refrigerating apparatuses that utilize environmentally friendly refrigerants.
Latest Patents
Nariyoshi's latest patents include innovative refrigeration cycles. One of his notable inventions is a refrigerating apparatus that comprises a refrigeration cycle with essential components such as a compressor, condenser, dryer, expansion mechanism, and evaporator. This apparatus utilizes a refrigerant primarily composed of a fluorocarbon type that contains no chlorine and has a critical temperature of 40°C or higher. Additionally, it incorporates a refrigerating machine oil that serves as a base oil, consisting of an ester oil derived from one or more fatty acids, which contains at least two ester linkages.
Career Highlights
Koji Nariyoshi is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to focus on developing cutting-edge refrigeration solutions that meet modern environmental standards.
Collaborations
Throughout his career, Nariyoshi has collaborated with notable colleagues, including Katsumi Fukuda and Tadashi Iizuka. These collaborations have contributed to the advancement of refrigeration technologies and have fostered a spirit of innovation within the team.
Conclusion
Koji Nariyoshi's contributions to refrigeration technology exemplify his commitment to innovation and environmental sustainability. His patents reflect a deep understanding of the complexities involved in creating efficient and eco-friendly refrigerating systems.