Noriyuki Kojima

Title: Noriyuki Kojima: Innovator in Multilayer Inductor Technology

Introduction: Noriyuki Kojima is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of multilayer inductors. With a total of 2 patents to his name, Kojima's work has garnered attention for its innovative approaches and practical applications.

Latest Patents: Kojima's latest patents focus on methods of making multilayer inductors. In these inventions, the substrate is composed of a constituent belonging to spinel ferrite, which is equipped with internal conductors primarily made of silver. These internal conductors are drawn outside of the substrate, where they are fitted with external electrodes. Notably, the internal conductors contain manganese and bismuth, with specific concentrations at the interface between the conductors and the substrate. The patents detail the addition of MnO at 0.02 to 0.1 wt % and BiO at 0.5 to 1.2 wt % to a silver paste used for the internal conductors, which is then baked together with the spinel ferrite material.

Career Highlights: Kojima is currently associated with TDK Corporation, a leading company in electronic components. His work at TDK has allowed him to push the boundaries of technology in the field of inductors, contributing to advancements that benefit various electronic applications.

Collaborations: One of Kojima's notable collaborators is Fumio Uchikoba. Their partnership has fostered innovation and has been instrumental in the development of new technologies in their field.

Conclusion: Noriyuki Kojima's contributions to multilayer inductor technology exemplify the spirit of innovation in electrical engineering. His patents reflect a deep understanding of materials and their applications, positioning him as a key figure in the industry.