Location History:
- Aichi-ken, JP (2001)
- Kariya, JP (1995 - 2010)
Company Filing History:
13 out of 3,252 
11 out of 1,343 
10 out of 19,697 
Years Active: 1995-2010
Title: **Shigeru Hisanaga: Innovator in Waste Heat Utilization Technologies**
Introduction
Shigeru Hisanaga, a prominent inventor based in Kariya, Japan, has made significant contributions to the field of waste heat utilization, holding an impressive total of 26 patents. His innovative approaches aim to enhance energy efficiency, particularly in internal combustion engines, showcasing his commitment to advancing technology and sustainability.
Latest Patents
Hisanaga's most recent patents focus on the development of a waste heat utilizing system designed for internal combustion engines. The system is engineered to collect waste heat emitted from the engine, maximizing its use to improve fuel consumption ratios. This system includes a waste heat collecting cycle that utilizes an expansion device to generate rotational driving force from the collected waste heat. Additionally, the refrigerating cycle within this system features a compressor that compresses a refrigerant, with a power transmission means that is operatively linked to the compressor. The innovative design ensures that the expansion device effectively drives the compressor.
Another notable invention by Hisanaga is a refrigerating device that integrates waste heat utilization equipment. This device comprises a refrigerating cycle, which consists of a compressor, a condenser, an expansion valve, and an evaporator, alongside a Rankine cycle using waste heat from a heat-generating device to provide a heating source. In this system, the drive shafts of the compressor and the expansion device are separated, with the output of the expansion device being primarily utilized for electricity generation.
Career Highlights
Throughout his career, Shigeru Hisanaga has worked with reputable companies, including Nippondenso Co., Ltd. and Toyoda Automatic Loom Works (Kabushiki Kaisha Toyoda Jidoshokki Seisakusho). His role in these organizations has allowed him to develop and implement innovative technologies that have significantly impacted energy efficiency in various applications.
Collaborations
Hisanaga has collaborated with esteemed colleagues such as Mikio Matsuda and Tetsuhiko Fukanuma. Their teamwork and shared expertise have contributed to advancing waste heat utilization technologies and furthering research initiatives in this significant field.
Conclusion
Shigeru Hisanaga's body of work demonstrates his dedication to innovation and improving energy efficiency through effective waste heat utilization. With 26 patents to his name, Hisanaga continues to be a leading figure in his field, inspiring future generations of inventors and engineers to seek sustainable solutions in technology.
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.