Location History:
- Himeji, JP (1986 - 1995)
- Hyogo, JP (1991 - 1995)
- Tokyo, JP (1999 - 2005)
Company Filing History:
21 out of 21,351 
5 out of 1,625 
2 out of 488 
Years Active: 1986-2005
Title: Innovations by Shigeki Ohtagaki: A Pioneer in Electric Power Steering Technologies
Introduction: Shigeki Ohtagaki, based in Tokyo, Japan, is a prominent inventor with a remarkable portfolio of 23 patents. His contributions to the field of electric power steering control systems have significantly advanced automotive technology. This article explores his latest patents, career highlights, and collaborations with key figures in the industry.
Latest Patents: One of Ohtagaki's notable inventions is the Electric Power Steering Control System. This system addresses the challenge of preventing overheating in situations where temperature sensors are hard to install near heat-generating components. The design includes a torque sensor, a motor current determination unit, an ambient temperature sensor, and a motor current control section that ensures motor current limits are set according to temperature.
Another significant patent is the Electric Power Steering Control Apparatus. This innovative device features a road surface reaction torque detector equipped with a low-pass filter element. The time constant of the filter is adjusted based on vehicle speed and motor rotation speed, leading to improved accuracy in estimating road surface reaction torque.
Career Highlights: Shigeki Ohtagaki has worked with leading technology companies such as Mitsubishi Electric Corporation and Mitsubishi Motors Corporation. His expertise in automotive innovations has not only propelled his career but also led to advancements in vehicle safety and performance.
Collaborations: Throughout his career, Ohtagaki has collaborated with talented individuals in the industry, including Shunichi Wada and Shozo Takizawa. Their cooperative efforts have contributed to the implementation of cutting-edge technologies in automotive design.
Conclusion: Shigeki Ohtagaki's innovations in electric power steering technologies showcase his commitment to improving vehicular safety and efficiency. His 23 patents reflect a deep understanding of engineering challenges, positioning him as a significant contributor to the automotive sector. As advancements in technology continue to evolve, Ohtagaki's work remains foundational in shaping the future of automotive engineering.
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.