Location History:
- Toshima-ku, JP (2011 - 2016)
- Tokyo, JP (1990 - 2020)
- Hachioji, JP (2003 - 2020)
Company Filing History:
10 out of 8,194 
9 out of 314 
6 out of 1,157 
Years Active: 1990-2020
Areas of Expertise:
**Title: Innovations of Toshio Nakamura in Wireless Power Technology**
Introduction
Toshio Nakamura, a prominent inventor based in Tokyo, Japan, has made significant contributions to the field of electrical engineering with a remarkable portfolio of 31 patents. His work primarily focuses on enhancing wireless power technology, showcasing innovative designs and methods that aim to improve efficiency and functionality.
Latest Patents
Among Nakamura's latest innovations, two patents stand out for their groundbreaking concepts. The first is a **Coil Device**, which features a first coil portion that faces a second coil portion in a specific orientation. This device incorporates a conductive wire and includes a nonmagnetic member designed with a protrusion. This protrusion is integral in providing an eddy current interrupter that selectively interrupts part of the generated eddy current, thus optimizing performance.
The second notable patent is a **Wireless Power-Supplying System**. This system consists of a power-transmitting device and a power-receiving device. The transmitting device utilizes a power-transmitting coil receiving AC power from a supply, controlled by a sophisticated frequency controller. The receiving device is designed with a coil that is magnetically coupled to the transmitting coil, featuring a series element with imaginary impedance that ensures consistent performance regardless of coupling coefficient variations. This innovative approach allows for adaptable frequency management to maintain efficient power transfer.
Career Highlights
Nakamura's career has seen him work with prestigious organizations, including Taisho Pharmaceutical Co., Ltd. and NEC Corporation. His role at these companies has allowed him to refine his technical skills and expand his contributions to the field of electrical engineering.
Collaborations
Throughout his career, Nakamura collaborated with fellow innovators, including Seiji Masuda and Shigeyuki Chaki. These partnerships have fostered a creative environment where ideas can flourish, leading to the development of advanced technologies and patents.
Conclusion
Toshio Nakamura's impressive portfolio of patents and his dedication to innovation in wireless power technology underscore his significant impact on the industry. As he continues to develop new ideas and collaborate with other experts, the future holds immense potential for further advancements in this crucial field.