Company Filing History:
3 out of 19,748 
1 out of 832,891 Years Active: 2000-2002
Title: Hisashi Nakashima: Innovator in Heat Exchanger Technology
Introduction
Hisashi Nakashima is a notable inventor based in Kariya, Japan. He has made significant contributions to the field of heat exchanger technology, holding a total of 4 patents. His innovative designs focus on improving heat-exchanging capacity and efficiency.
Latest Patents
One of Hisashi Nakashima's latest patents is for a plate-fin type heat exchanger and method for manufacturing the same. This invention features a recess portion for setting an attachment position in each plate fin, which helps to disturb the thermal boundary layer and improve heat-transmission efficiency. As a result, the entire area of the plate fin can be effectively utilized, enhancing the heat-exchanging capacity of the heat exchanger. Another significant patent is for a heat exchanger that includes a tube joined to a core plate. This design incorporates a tank for accommodating a heat medium and a tube that is mechanically joined to the core plate. The joined portion is covered with adhesive through a wettability improving film, which enhances the sealing property between the tube and the core plate.
Career Highlights
Hisashi Nakashima has worked with Denso Corporation, where he has applied his expertise in heat exchanger technology. His work has contributed to advancements in the efficiency and effectiveness of heat exchangers used in various applications.
Collaborations
Some of Hisashi Nakashima's notable coworkers include Seiichi Kato and Sumio Susa. Their collaboration has likely fostered an environment of innovation and creativity in their projects.
Conclusion
Hisashi Nakashima's contributions to heat exchanger technology demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of thermal dynamics and a drive to improve industrial applications.