This inventor holds 5 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignees: Mitsubishi Electric Corporation, Sony Corporation, Felica Networks, Inc.. Active years: 2010-2026.
Company Filing History:
2 out of 16,571 
2 out of 58,145 
1 out of 123 Years Active: 2010-2026
Title: Yu Hamada: Innovator in Motor Technology
Introduction
Yu Hamada is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of motor technology, holding a total of 5 patents. His innovative designs have paved the way for advancements in various applications.
Latest Patents
One of Yu Hamada's latest patents is the synchronous reluctance motor. This motor design includes a shaft, a rotor, a stator, and multiple magnetic wedges. The stator radially opposes the rotor with a space in between. The stator features a core with multiple slots arranged in the circumferential direction, which are open toward the rotor. Additionally, multiple stator coils are disposed in these slots, while the magnetic wedges close at least some of the slots containing the stator coils. Another notable patent is his drive system, which comprises a motor, a power converter, and a controller. The motor is a reluctance motor that rotates in response to electric power. The power converter, which includes multiple switching elements, is directly connected to the motor. It converts electric power from a power source into the necessary power for the motor, while the controller manages the switching elements within the power converter.
Career Highlights
Throughout his career, Yu Hamada has worked with leading companies in the technology sector, including Sony Corporation and Mitsubishi Electric Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking projects in motor technology.
Collaborations
Yu has collaborated with notable coworkers such as Moriyuki Hazeyama and Shinako Matsuyama. Their combined expertise has fostered an environment of innovation and creativity in their respective fields.
Conclusion
Yu Hamada is a distinguished inventor whose work in motor technology has led to significant advancements. His patents reflect a deep understanding of engineering principles and a commitment to innovation. His contributions continue to influence the industry and inspire future inventors.