Location History:
- Yokohama, JP (1989 - 1991)
- Kawasaki, JP (1999 - 2006)
Company Filing History:
Years Active: 1989-2006
Title: Innovations by Hisashi Kawashima: Revolutionizing Refrigeration Systems
Introduction
Hisashi Kawashima, an esteemed inventor based in Kawasaki, Japan, has made significant contributions to the field of refrigeration technology. Holding a total of seven patents, Kawashima's work demonstrates an unwavering commitment to enhancing efficiency and performance in cooling systems.
Latest Patents
Among Hisashi Kawashima's latest innovations is a groundbreaking refrigeration system that utilizes incomplete evaporation of refrigerant within an evaporator. This innovative system allows the refrigerant to circulate through a closed circulation channel, incorporating a specially designed dry evaporator. The design ensures that the quality of the refrigerant remains below 1.0 during its evaporation process. This is a critical aspect, as the heat transfer coefficient, which determines the quantity of heat transfer per unit area, is highly dependent on refrigerant quality. When the quality exceeds a predetermined threshold, a notable drop in heat transfer efficiency occurs. Kawashima’s system addresses this issue by maintaining the refrigerant quality below this threshold, resulting in superior cooling performance compared to conventional evaporators that operate at higher quality levels.
Career Highlights
Hisashi Kawashima's career has been primarily affiliated with Fujitsu Corporation, where he has engaged in extensive research and development within the field of refrigeration systems. His dedication to innovation has not only earned him patents but has also established him as a leading figure in advanced cooling technologies.
Collaborations
Throughout his career, Kawashima has had the opportunity to collaborate with notable colleagues, including Junichi Ishimine and Masahiro Suzuki. Together, they have contributed to pivotal advancements, pushing the boundaries of what is possible in refrigeration and heat transfer technologies.
Conclusion
Hisashi Kawashima's inventive spirit and commitment to excellence have led to the development of cutting-edge refrigeration systems that promise to enhance efficiency in cooling applications. His contributions reflect a profound understanding of thermodynamics and fluid dynamics, positioning him as a prominent inventor in the field. As the industry continues to evolve, the impact of Kawashima's innovations will undoubtedly resonate within the realms of engineering and technology for years to come.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.