This inventor holds 27 USPTO granted patents and 2 EPO patents, primarily in Refrigeration Systems. Top assignees: Denso Corporation, Nippondenso Co., Ltd., Nippon Soken, Inc.. Active years: 1992-2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
11 out of 20,407 
8 out of 3,252 
2 out of 1,600 Years Active: 1992-2013
Areas of Expertise:
Title: Innovations of Hisayoshi Sakakibara
Introduction
Hisayoshi Sakakibara, an accomplished inventor based in Nishio, Japan, has made significant contributions to the fields of energy storage and heat management systems. With a remarkable portfolio of 27 patents, he has demonstrated a commitment to advancing technology through innovative solutions.
Latest Patents
Among his latest patents are two noteworthy inventions:
1. **Charging control device and electricity storage device including a battery** - This invention features a charging control device for an electricity storage system. It includes components such as a unit to detect the remaining electricity in a battery and a unit to calculate the necessary charge amount and period. The device is designed to initiate charging at optimal timings during the nighttime to ensure efficiency and better management of battery usage during daytime.
2. **Super-critical refrigerant cycle system and water heater using the same** - This invention focuses on a heat-pump water heater that utilizes a super-critical refrigerant cycle. The system controls the valve opening degree of a decompression valve to maintain an appropriate temperature difference between the refrigerant and the water. This design aims to enhance the heat-exchange performance while preventing the refrigerant compressor from overheating during operation.
Career Highlights
Hisayoshi has had an impressive career, notably working with Denso Corporation, where his expertise contributed to numerous advancements in energy efficiency and thermal management technologies. His inventive spirit and technical knowledge have positioned him as a significant contributor in his field.
Collaborations
Throughout his career, Sakakibara has collaborated with notable colleagues, including Tomoaki Kobayakawa and Kazutoshi Kusakari. These collaborations have allowed for the fusion of ideas, enhancing the innovation process and leading to the successful development of patented technologies.
Conclusion
Hisayoshi Sakakibara's dedication to innovation is evident through his extensive patent portfolio and his impactful contributions to sustainable energy solutions. His work not only signifies advancements in technology but also reflects a commitment to improving energy efficiency for the future.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile