This inventor holds 23 USPTO granted patents and 4 published patent applications and 3 EPO patents, primarily in Electric Vehicle Technology. Top assignees: Subaru Corporation, Honda Motor Co., Ltd., Ykk Corporation. Active years: 2004-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Shioya-gun, JP (2005 - 2009)
- Wako, JP (2007 - 2018)
- Tokyo, JP (2004 - 2023)
- Saitama, JP (2006 - 2023)
Company Filing History:



Years Active: 2004-2026
Areas of Expertise:
Title: The Innovative Journey of Tomoyuki Okada in Motor Technology
Introduction: Tomoyuki Okada, a distinguished inventor based in Tokyo, Japan, has made significant contributions to the field of motor technology, holding a remarkable portfolio of 20 patents. His inventions focus on advancing motor drive systems and vehicle drive systems, paving the way for more efficient and innovative technologies in the automotive industry.
Latest Patents: Some of the latest developments by Tomoyuki Okada include a sophisticated motor drive system that incorporates double-stator axial gap motors. This system features a comprehensive setup that includes inverter circuits designed to manage both power running drives and regenerative drives, alongside step-up and step-down circuits that regulate the voltage of power generated by these motors. Furthermore, each double-stator axial gap motor consists of two stators with inverter circuits connected in series, enhancing overall effectiveness and performance.
Another notable invention is his vehicle drive system, which integrates a drive motor, inverter circuits, a step-up circuit, and a switch. This innovative design allows for versatile connection states of the inverter circuits to the step-up circuit, enabling either series or parallel connections, thus optimizing vehicle performance.
Career Highlights: Throughout his career, Tomoyuki Okada has collaborated with prominent automotive companies, including Honda Motor Co., Ltd. and Subaru Corporation. His work within these organizations has not only advanced automotive technologies but has also contributed significantly to the evolution of electric vehicle performance.
Collaborations: Tomoyuki has had the pleasure of working alongside esteemed colleagues in the industry, including Minoru Nakajima and Tatsuro Horie. Their collaboration has fostered an environment of innovation, allowing for the exchange of ideas and expertise that have propelled their projects to success.
Conclusion: Tomoyuki Okada's impressive portfolio of inventions and collaborations underscores his impact on the field of motor technology. With his advancements in motor drive systems, he continues to influence the future of automotive engineering, driving innovation and efficiency in electric vehicles. His work serves as an inspiration for future inventors in the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile