Location History:
- Toyota, JP (1986)
- Numazu, JP (1985 - 1987)
- Aichi, JP (1978 - 1990)
Company Filing History:
16 out of 36,499 
1 out of 1,838 Years Active: 1978-1990
Title: Innovator Spotlight: Susumu Okawa
Introduction
Susumu Okawa is a prominent inventor based in Aichi, Japan, known for his significant contributions to the field of automotive technology. With a remarkable portfolio of 17 patents, Okawa has made strides in innovations regarding hydraulic control devices and continuously variable transmissions.
Latest Patents
One of Susumu Okawa's latest patents is a hydraulic control device specifically designed for controlling a belt-and-pulley type continuously variable transmission (CVT) in motor vehicles. This innovative device incorporates two variable-diameter pulleys connected by a belt and features hydraulic actuators that modify the effective diameters of the pulleys. It includes a first and a second pressure regulating valve that adjust fluid pressure from a hydraulic power source to both a first line pressure and a second line pressure, with the latter being lower. Additionally, it comprises a CVT shift control valve device that oversees the speed ratio of the transmission through a directional control valve and a flow control valve, enhancing the transmission's efficiency and adaptability.
Another noteworthy patent from Okawa involves the design of a pair of pulleys for a belt-and-pulley type continuously variable transmission. These pulleys are engineered to connect via a transmission belt, with at least one pulley exhibiting a unique contact surface characterized by raised and recessed portions arranged at irregular angular intervals. This innovative design improves the overall performance and reliability of the transmission system.
Career Highlights
Throughout his career, Susumu Okawa has contributed to esteemed companies such as Toyota Motor Corporation and Toyota Industries Corporation. His work within these organizations has focused on enhancing automotive technologies, particularly in vehicle transmission systems, which have been pivotal in advancing the automotive industry's offerings.
Collaborations
During his tenure, Okawa has collaborated with notable colleagues, including Masami Sugaya and Yasunobu Jufuku. Their joint efforts have played a crucial role in the development of groundbreaking technologies and patent applications that continue to shape the transportation sector.
Conclusion
Susumu Okawa's innovative spirit and dedication to advancement in automotive technology have resulted in a substantial impact on the industry. With a continuing passion for research and development, Okawa remains an influential figure, driving forward new ideas and innovations that enhance vehicle performance and efficiency. His work exemplifies the importance of creativity and collaboration in engineering, marking him as a significant inventor in today's technological landscape.
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.