Norimasa Kondo

Title: Celebrating the Innovative Spirit of Norimasa Kondo

Introduction: Norimasa Kondo, a prominent inventor based in Osaka, Japan, has made significant contributions to the field of electrical engineering and appliance technology. With a robust portfolio of six patents to his name, Kondo has played a pivotal role in enhancing household appliances, most notably washing machines, through innovative designs and functionalities.

Latest Patents: One of Kondo's latest inventions is a washing machine motor drive device. This device employs an inverter circuit to drive a motor while implementing constant torque control. The capability for easy control of braking torque, along with maximized braking torque, significantly improves washing machine performance. The design features include converting DC power from a rectifier circuit into AC power for operating the machine's agitator and spinning tub. Key elements such as the rotor position detector and current detector work in tandem with a control device, allowing for precise control of motor current. This innovative motor drive not only enhances performance at both high and low speeds but also promotes energy efficiency and reduces risks of voltage anomalies in the inverter circuit.

Another remarkable patent is his design for a washing machine that features a sophisticated washing shaft mechanism. This machine includes a washing shaft that rotates agitating blades within a dewatering tank. The innovative approach allows for the washing shaft and the dewatering shaft to be coaxially arranged, enabling the effective increase of torque without enlarging the drive motor. This invention addresses the challenges of increased washing capacity while maintaining a compact motor size.

Career Highlights: Norimasa Kondo's dedication to advancing technology is exemplified through his affiliation with Matsushita Electric Industrial Co., Ltd. Here, he continues to innovate in the field of household appliances, shaping them to meet modern demands.

Collaborations: Kondo has collaborated with notable coworkers, including Kenji Koshiga and Toshihiko Ura. Together, they have contributed to the development of various technologies that enhance product functionality and consumer experience.

Conclusion: Norimasa Kondo's innovative contributions to appliance technology underscore the significance of engineering in daily life. His patents showcase a fusion of efficiency, functionality, and practicality, firmly establishing him as a key figure in the field. As the landscape of home appliances continues to evolve, Kondo's inventions will undoubtedly leave a lasting impact on the industry.