Location History:
- Iwata-gun, JP (2001)
- Shizuoka, JP (2000 - 2008)
- Iwata, JP (2003 - 2017)
Company Filing History:
Years Active: 2000-2017
Title: Innovations by Koichi Okada: Pioneering Electric Vehicle Technologies
Introduction
Koichi Okada, based in Iwata, Japan, is an accomplished inventor credited with 30 patents. His work primarily focuses on advancing electric vehicle technology, contributing significant innovations that enhance vehicle performance and control.
Latest Patents
Among his latest inventions is a "Driving Device for Motor for Drive Wheel of Vehicle." This innovative device comprises a series of in-wheel motor assemblies combined with motor drivers. Noteworthy features include a smoothing circuit and an inverter unit that converts direct current into three-phase alternating current. The design allows multiple motor drivers to be housed within a single common casing, facilitating a shared smoothing circuit. The inverter control unit employs a pulse-width modulation (PWM) scheme to synchronize the operation of the driving elements, ensuring efficient performance through coordinated ON and OFF timing.
Another significant patent is the "Slip Control Device for Electric Vehicle." This device is adept at accurately detecting slippage using only a rotation angle sensor for motor rotation control. It incorporates a threshold calculation module to determine the normal angular acceleration of the motor, setting a threshold that is critical for detecting slippage. Advanced control mechanisms rapidly respond to any slippage by limiting torque, enhancing safety and stability for electric vehicles.
Career Highlights
Koichi Okada is a key member of Ntn Corporation, where he continues to refine and innovate in the field of electric vehicle technology. His commitment to developing practical and efficient solutions has paved the way for significant advancements in the automotive industry.
Collaborations
Throughout his career, Okada has collaborated with notable professionals such as Hiroaki Ohba and Masatoshi Mizutani. Together, they contribute to a shared vision of revolutionizing electric vehicle capabilities, aiming for enhanced performance and reliability in modern transportation.
Conclusion
Koichi Okada's contributions to the field of electric vehicles are marked by a series of innovative patents that reflect his dedication to improving automotive technology. With his extensive experience and collaboration with talented colleagues, Okada continues to drive forward the future of electric mobility through groundbreaking inventions that address contemporary challenges in the industry.
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.