Location History:
- Toyota, JA (1977)
- Toyota, JP (1979)
Company Filing History:
2 out of 4 
2 out of 1,343 
Years Active: 1977-1979
Title: Hitoshi Toga: Innovator in Compressor Technology
Introduction
Hitoshi Toga is a notable inventor based in Toyota, Japan, recognized for his contributions to the field of compressor technology. With a total of two patents to his name, Toga has made significant advancements that enhance the efficiency and durability of vehicle air conditioning systems.
Latest Patents
Toga's latest patents include a method for manufacturing a shoe for a swash-plate type compressor. This innovative method involves creating a shoe that is inserted between a swash-plate and a ball to transmit motive power to the piston. The shoe is made from steel and features a concavity with an annular groove. An annular material, such as copper, is placed in the concavity before a male die is pressed into it, resulting in a spherically deformed concavity that is highly resistant to high-speed operation, heavy loads, and impacts. Additionally, Toga has developed a vehicle air conditioning compressor that utilizes a swash plate mounted on a rotatable shaft, with pistons that are reciprocated by the rotating swash plate. This compressor features a shoe made from a steel backing plate with a sintered porous layer of a powdered copper alloy, ensuring optimal performance and durability.
Career Highlights
Throughout his career, Hitoshi Toga has worked with prominent companies such as Taihou Kogyo Kabushiki Kaisha and Toyota Jidoshokki Seisakusho. His work has focused on improving the functionality and reliability of air conditioning compressors, making significant contributions to automotive technology.
Collaborations
Toga has collaborated with notable coworkers, including Teruaki Inoshita and Takashi Fukuda, who have contributed to his innovative projects and advancements in compressor technology.
Conclusion
Hitoshi Toga's work in the field of compressor technology has led to significant innovations that enhance the performance and reliability of vehicle air conditioning systems. His patents reflect a commitment to improving automotive technology, making him a key figure in this industry.