Hideo Umetsu

Title: Hideo Umetsu - Innovator of Uninflammable Dynamoelectric Machines

Introduction

Hideo Umetsu, an accomplished inventor based in Tokai-mura, Japan, holds a noteworthy patent in the domain of dynamoelectric machines. His innovative work demonstrates a commitment to enhancing safety and efficiency in electrical machinery.

Latest Patents

Umetsu's significant patent is titled "Uninflammable dynamoelectric machine having coil windings and core." The invention centers on a dynamoelectric machine that features a stator assembly, including coil windings and a core. To improve safety, it incorporates a heat-dissipating, uninflammable, electro-insulative housing that encapsulates these components. This housing is crafted from a cured molded material combining a liquid unsaturated polyester resin with finely divided calcium carbonate powder, larger inorganic mineral particles, chopped glass fiber, and aluminum hydroxide powder. The formulation has precise weight ratios, ensuring both effectiveness and safety for the dynamoelectric machine.

Career Highlights

Hideo Umetsu works at Hitachi, Ltd., a leading company known for its advanced technologies and innovations. His role at Hitachi represents a significant contribution to the field, where he continues to impact the design and manufacturing of electrical machinery.

Collaborations

Throughout his career, Umetsu has collaborated with notable colleagues such as Tsuguo Kobayashi and Tetsuo Ishikawa. These partnerships have likely contributed to the development of his innovative solutions within the dynamoelectric machine sector.

Conclusion

Hideo Umetsu is a prominent figure in the field of dynamoelectric machines, showcasing the importance of innovation in engineering. His patent for an uninflammable machine design underscores a commitment to enhancing safety and achieving breakthroughs in technology, reflecting the vital role inventors play in advancing industrial capabilities.