Company Filing History:
2 out of 5,207 
2 out of 36,499 
Years Active: 1987-1988
Title: Toshiaki Shirai: Innovator in Automotive Cooling Systems
Introduction
Toshiaki Shirai is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of automotive engineering, particularly in the development of cooling systems for automobile engines. With a total of 2 patents, his innovations have enhanced the efficiency and performance of vehicle cooling mechanisms.
Latest Patents
Shirai's latest patents include a viscous fluid coupling designed for use as a cooling fan in automobile engines. This innovative coupling features a power output member that is divided into two water chambers by a partition. The refluxing of water between these chambers is controlled by a valve that operates based on the temperature of the air passing through the radiator and the temperature of the water in the water pump. This design allows for precise control of the fan's rotation speed.
Another significant patent is the engine cooling fan coupling system, which is integrated with a coolant circulation system in automotive vehicles. This system includes a radiator, a fan, and a thermostatic valve that regulates coolant flow. The thermostatic valve operates at various temperatures to ensure optimal cooling performance. The coupling mechanism between the fan and the engine member is designed to adjust based on the temperature of the air and engine coolant, providing efficient cooling under varying conditions.
Career Highlights
Throughout his career, Toshiaki Shirai has worked with prominent companies in the automotive industry, including Aisin Seiki and Toyota Motor Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in automotive technology.
Collaborations
Shirai has collaborated with notable colleagues such as Masaharu Hayashi and Kenji Hattori. These partnerships have fostered a creative environment that has led to the development of cutting-edge automotive solutions.
Conclusion
Toshiaki Shirai's contributions to automotive cooling systems exemplify the impact of innovation in engineering. His patents reflect a commitment to enhancing vehicle performance and efficiency. Through his work, Shirai continues to influence the automotive industry positively.
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.