Company Filing History:
4 out of 7,976 
2 out of 5 Years Active: 2011-2024
Title: **Kiyofumi Fujiwara: Innovator in Coil Device Technology**
Introduction
Kiyofumi Fujiwara is a notable inventor based in Tokyo, Japan, known for his groundbreaking contributions in the field of coil devices. With a total of four patents to his name, Fujiwara has made significant advancements that aim to improve the efficiency and functionality of electrical components.
Latest Patents
Fujiwara’s latest innovations include two distinct coil device patents. The first patent presents a coil device that incorporates two coil elements, enhancing wire occupancy within the device. This invention features a core with a winding core, where a winding wire part consists of a first and second wire wound in multiple layers. Notably, the winding wire part has a first section where both wires are wound together on the same layer, followed by a second section where they are wound separately across different layers.
The second patent also focuses on a coil device, which includes a magnetic core that supports a winding core around which the wire is wound to create a coil. This invention presents an innovative design with four terminal electrodes attached to a flange's outer end surface along the winding axis. It features a recess on the flange's outer end surface, with each terminal electrode designed with a first rising piece that loosely fits into the recess, and a mounting piece that is integrally formed and adhered to the flange surface.
Career Highlights
Kiyofumi Fujiwara has had a remarkable career, contributing his expertise to several renowned companies, including TDK Corporation and TDK Korea Corporation. His role in these organizations has enabled him to refine his inventions and push the boundaries of technology related to coil devices.
Collaborations
Throughout his career, Fujiwara has collaborated with talented professionals in his field. Notable coworkers include Hiroyuki Iwata and Sepung Ki, who worked alongside him to advance their collective work in coil technology.
Conclusion
Kiyofumi Fujiwara stands out as a prominent inventor whose contributions to coil device technology have been instrumental in enhancing wire occupancy and operational efficiency. His innovative patents reflect a commitment to addressing the evolving needs of the electrical components industry, marking him as a significant figure in the realm of innovation.