= 0.14 Inventors with similar research interests:
Company Filing History:
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Years Active: 2009-2025
Title: **Innovations of Koichi Arisawa: A Pioneer in Power Conversion Technology**
Introduction
Koichi Arisawa is a notable inventor based in Tokyo, Japan, renowned for his contributions to the field of power conversion technology. With an impressive portfolio of 68 patents, Arisawa has significantly advanced the design and efficiency of various electrical apparatuses, impacting industries ranging from consumer electronics to HVAC systems.
Latest Patents
Among his latest patents, Arisawa has developed a series of innovative devices including a power converting apparatus, motor driving apparatus, blower, compressor, and air conditioner. His power converting apparatus utilizes a converter circuit that transforms alternating-current voltage from a power supply into direct-current voltage. This circuit incorporates unit converters that generate a precise pulse-width modulation signal, crucial for controlling the operation of switching elements. Each unit converter is engineered to produce vibrations in different phases, optimizing performance over the carrier periods. In addition, his motor driving apparatus features a reactor and a rectifier circuit that enhance the operational efficiency by adapting the switching frequency of the components based on real-time detection of physical quantities.
Career Highlights
Koichi Arisawa has worked with prestigious organizations, including Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha, where he has applied his innovative spirit and technical expertise. His tenure in these companies has been instrumental in driving forward critical research initiatives and patent developments.
Collaborations
Throughout his career, Arisawa has collaborated with esteemed colleagues, including Keisuke Uemura and Takuya Shimomugi. These partnerships have fostered creativity and innovation, leading to the successful development of numerous technologies that enhance the efficiency and reliability of electrical systems.
Conclusion
Koichi Arisawa stands as a vanguard in the realm of electrical engineering, particularly in power conversion technologies. His dedication to innovation, reflected in his extensive patent portfolio, not only pushes the boundaries of what’s possible in electrical apparatuses but also serves as a foundation for the future advancements in this critical field.
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