Location History:
- Yokohama, JP (1979 - 1983)
- Nagoya, JP (1999)
Company Filing History:
8 out of 13,419 
1 out of 60 Years Active: 1979-1999
Title: The Innovative Mind of Yoshio Sunohara: A Journey Through Patents and Inventions
Introduction
Yoshio Sunohara, a prominent inventor based in Yokohama, Japan, has made significant contributions to the field of automotive engineering. With a remarkable portfolio of 8 patents, his work primarily focuses on enhancing the efficiency and functionality of automotive systems.
Latest Patents
Among Sunohara's latest innovations are two noteworthy patents. The first is titled "Hydraulic passages for an oil pump for a speed reducer used in electric vehicles." This invention incorporates intricate hydraulic passages that enable effective oil flow within electric vehicle speed reducers. It features a first passage connecting the inlet port of an oil pump to an oil reservoir, alongside a series of check valves that ensure optimal operation during both normal and reverse rotations of the pump.
The second patent, "Vacuum modulator arrangement for an automatic transmission," pertains to the enhancement of automatic transmissions in motor vehicles, particularly those powered by diesel or fuel-injection engines. This invention links a vacuum source, brake booster, and modulator components through a specialized passage, featuring an orifice designed with a predetermined effective area, crucial for transmission control.
Career Highlights
Throughout his career, Yoshio Sunohara has demonstrated expertise and innovation while working with leading companies such as Nissan Motor Company Limited and Aichi Machine Industry Co., Ltd. His contributions have significantly impacted automotive engineering, focusing on systems that improve efficiency and performance.
Collaborations
Sunohara has collaborated with several notable professionals in his field, including Kunio Ohtsuka and Tozo Yamada. These partnerships have fostered a creative and innovative work environment that has led to the development of groundbreaking automotive technologies.
Conclusion
Yoshio Sunohara's dedication to innovation and his impressive array of patents solidify his position as an influential inventor in the automotive industry. With a keen focus on improving vehicle systems for enhanced performance and efficiency, his work continues to inspire future advancements in automotive technology.