This inventor holds 11 USPTO granted patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Mitsubishi Denki K.k.. Active years: 1987-1999.
Location History:
- Shizuoka, JP (1987 - 1993)
- Tokyo, JP (1999)
Company Filing History:
10 out of 21,351 
1 out of 488 
Years Active: 1987-1999
Title: Kazuaki Isono: Innovator in Refrigeration Technology
Introduction
Kazuaki Isono is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of refrigeration technology, holding a total of 11 patents. His work focuses on enhancing the efficiency and functionality of refrigerating systems and air conditioning units.
Latest Patents
One of his latest patents is a refrigerating cycle apparatus. This innovative apparatus includes an inverter-driven compressor with controllable speed of rotation, a four-way valve, an indoor heat exchanger, a pressure reducing device, an outdoor heat exchanger, and a defrosting condition detector. The defrosting condition detector is designed to detect a frosting state of the outdoor heat exchanger during heating operations. Additionally, it features a defrosting operation controller that carries out defrosting based on detection signals, ensuring proper lubrication after defrost operations. Another significant patent is an operation controller for an air conditioner. This controller is designed to decrease the temperature difference between the ambient temperature and the set temperature by varying the number of revolutions of the compressor. It includes a means for calculating the operation ratio of the compressor and determining the range of varying the operation frequency accordingly.
Career Highlights
Kazuaki Isono has worked with prominent companies such as Mitsubishi Electric Corporation and Mitsubishi Electric K.K. His experience in these organizations has allowed him to develop and refine his innovative ideas in refrigeration technology.
Collaborations
Throughout his career, Isono has collaborated with talented individuals, including Hidenori Ishioka and Yasuo Imaki. These collaborations have contributed to the advancement of his projects and patents.
Conclusion
Kazuaki Isono is a distinguished inventor whose work in refrigeration technology has led to numerous patents and innovations. His contributions continue to impact the industry positively, showcasing the importance of innovation in enhancing everyday technologies.