This inventor holds 17 USPTO granted patents and 2 EPO patents. Top assignees: Denso Corporation, Toyota Jidosha Kabushiki Kaisha, Nippondenso Co., Ltd.. Active years: 1998-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokkaichi, JP (2008 - 2015)
- Kariya, JP (1998 - 2023)
Company Filing History:


Years Active: 1998-2025
Title: Takumi Shimizu: Innovator in Power Conversion Technology
Introduction
Takumi Shimizu is a prominent inventor based in Yokkaichi, Japan. He has made significant contributions to the field of power conversion technology, holding a total of 17 patents. His work focuses on enhancing the efficiency and functionality of power systems, particularly in automotive applications.
Latest Patents
One of Shimizu's latest innovations is a power converter designed for enabling simultaneous transmission of power between multiple voltage parts. This power converter is configured to connect to three or more voltage parts, incorporating three or more power-conversion circuitries linked to respective voltage parts. It features a multi-port transformer that connects to these circuitries at different ports, facilitating the integration of a vehicle drive battery with multiple alternating-current (AC) voltage parts.
Another notable patent is a battery monitoring apparatus that includes a circuit board and a signal control unit. This unit outputs a predetermined AC signal from a storage battery through a first electrical path. The apparatus also features a response signal input unit that captures the response signal of the storage battery through a pair of second electrical paths. A calculating unit then computes the complex impedance of the storage battery based on this response signal.
Career Highlights
Throughout his career, Takumi Shimizu has worked with leading companies in the automotive industry, including Denso Corporation and Toyota Motor Corporation. His experience in these organizations has allowed him to develop innovative solutions that address the challenges of modern power systems.
Collaborations
Shimizu has collaborated with notable colleagues such as Keisuke Tanigawa and Tomomichi Mizoguchi. Their combined expertise has contributed to the advancement of technology in their respective fields.
Conclusion
Takumi Shimizu's contributions to power conversion technology exemplify his innovative spirit and dedication to improving energy systems. His patents reflect a commitment to enhancing the efficiency and reliability of power management in vehicles and beyond.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile