Company Filing History:
Years Active: 2004
Title: Mitsunori Yamashina: Innovator in Rotating Electric Machines
Introduction: Mitsunori Yamashina, an inventive mind located in Hitachi, Japan, is recognized for his contributions to the field of electrical engineering. With two patents to his name, he has made significant advancements in the design and functionality of rotating electric machines.
Latest Patents: Yamashina's latest patents include a "Rotating Electric Machine" and a "Dynamo-Electric Machine." The "Rotating Electric Machine" features a unique design with several ventilating passages between the stator frame and stator iron core. This design integrates a cooler within one of the ventilating passages facilitating efficient coolant circulation. The mechanism allows coolant to flow from the outer peripheral side to the central portion of the stator iron core, ensuring optimal cooling performance. In the "Dynamo-Electric Machine," the focus is on maintaining a level axial temperature rise by supplying cooled coolant to the central part of the iron core, which is furthest from the axial ends. This innovation employs ventilating passages that extend continuously in the peripheral direction, along with coolers strategically placed throughout the structure.
Career Highlights: Yamashina is associated with Hitachi, Ltd., a reputable company known for its innovative electrical engineering solutions. Through his work at Hitachi, he has contributed to enhancing the efficiency and reliability of electric machines, making substantial impacts in the industry.
Collaborations: Throughout his career, Yamashina has collaborated with esteemed colleagues such as Kazumasa Ide and Kenichi Hattori. Their collective efforts have advanced the development of cutting-edge rotating electric machine technologies and have driven significant breakthroughs in performance solutions.
Conclusion: Mitsunori Yamashina stands out as a vital inventor in the realm of electrical machines. His unique patents reflect a commitment to innovation that enhances the capabilities of rotating electric machines. As he continues to push the boundaries of engineering at Hitachi, Yamashina's work is set to influence future advancements in the industry.