Eiji Katayama

Title: Eiji Katayama - Innovator in Electric Machine Technology

Introduction

Eiji Katayama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electric machine technology, particularly with his innovative designs and patents.

Latest Patents

Eiji Katayama holds a patent for a coil bobbin, stator core of a distributed winding radial gap-type rotating electric machine, and the distributed winding radial gap-type rotating electric machine itself. This patent describes a coil bobbin that is attached to a stator core and includes a teeth holding portion and a slot insulator made of an insulator. The design features a first wall surface that covers a first circumferential side surface of a tooth of the stator core, a second wall surface that covers at least part of a second circumferential side surface of the tooth, and a third wall surface that covers both side surfaces in the axial direction of the tooth. The slot insulator is formed integrally with the first wall surface of the teeth holding portion and has multiple through-holes extending in the axial direction and arrayed in a radial direction.

Career Highlights

Eiji Katayama is currently employed at Hitachi High-Tech Corporation, where he continues to innovate and develop advanced technologies in electric machines. His work has been instrumental in enhancing the efficiency and performance of rotating electric machines.

Collaborations

Eiji has collaborated with notable colleagues such as Yuji Enomoto and Seiji Okita, contributing to various projects and advancements in their field.

Conclusion

Eiji Katayama's contributions to electric machine technology through his patent and work at Hitachi High-Tech Corporation highlight his role as a significant inventor in the industry. His innovative designs continue to influence the development of efficient electric machines.