Location History:
- Gunma-ken, JP (2004)
- Ota, JP (2004 - 2006)
Company Filing History:
Years Active: 2004-2006
Title: Innovator Shigemi Koiso: Pioneering Advancements in Electric Motors
Introduction: Shigemi Koiso, an accomplished inventor based in Ota, Japan, has made significant contributions to the fields of electric motors and compressors. With three patents to her name, Koiso has showcased her expertise and ingenuity in developing advanced technologies that enhance performance and efficiency.
Latest Patents: Koiso's latest patents include the "Synchronous Induction Motor and Manufacturing Method" and the "Hermetic Electric Compressor." The synchronous induction motor features improved assemblability of the rotor, significantly reduced production costs, and enhanced operational performance. Key innovations include the integration of a plurality of die-cast secondary conductors around the rotor yoke and the use of permanent magnets strategically inserted into slots within the rotor yoke. These advancements collectively lead to a highly efficient motor design.
The hermetic electric compressor represents another of Koiso's pioneering efforts. This sealed motor compressor features a single-phase bipolar constitution, which notably improves motor running efficiency. It consists of an electromotive element securely fixed to a sealed container, with a rotor that operates efficiently within a stator equipped with a winding. The construction incorporates squirrel-cage secondary conductors and embedded permanent magnets, resulting in a highly effective and reliable compressor system.
Career Highlights: Throughout her career at Sanyo Electric Co., Ltd., Shigemi Koiso has consistently pushed the boundaries of electrical engineering. Her innovative designs not only emphasize cost-effectiveness but also superior performance, establishing her as a leader in motor technology.
Collaborations: Koiso has collaborated with notable colleagues, including Toshihito Yanashima and Keijiro Igarashi. Together, they contribute to a dynamic work environment that fosters creativity and innovation, driving the progression of electric motor technology.
Conclusion: Shigemi Koiso's contributions to the development of electric motors and compressors mark her as a pivotal figure in engineering. Her patents reflect a deep understanding of technological needs and an unwavering commitment to innovation. As she continues to work with her team at Sanyo Electric Co., Ltd., her influence on the industry and future advancements in electric technology will undoubtedly be felt for years to come.