This inventor holds 21 USPTO granted patents and 7 published patent applications, plus 2 CIPO patents and 13 EPO patents. Top assignee: Mitsubishi Electric Corporation. Active years: 2015-2025.
Location History:
- Chiyoda-ku, JP (2016)
- Tokyo, JP (2015 - 2023)
Company Filing History:
Years Active: 2015-2025
Title: **Yasuhiko Wada: Innovator in Refrigeration and Motor Diagnostics**
Introduction
Yasuhiko Wada is a prominent inventor based in Tokyo, Japan, with an impressive portfolio of 20 patents. His work primarily centers around advancements in refrigeration and air-conditioning technologies, as well as diagnostic systems for motors, significantly contributing to the engineering field.
Latest Patents
Among his latest innovations is a patented **refrigerating and air-conditioning apparatus** designed to enhance the defrosting operation. This apparatus includes a refrigerant circuit comprising a compressor, a first heat exchanger, an expansion device, a second heat exchanger, and a four-way valve, all interconnected to facilitate refrigerant circulation. A temperature sensor measures the compressor's temperature, while a heat generation control unit raises the compressor's temperature when it detects a decrease during the defrosting operation on the first heat exchanger.
Furthermore, Yasuhiko has developed a **failure diagnosis apparatus** that includes a controller for motor drive control, a wear estimator to gauge bearing wear based on the motor's current, and a failure notification unit. This system is designed to diagnose motor failures by estimating wear on the bearings, ensuring the motor operates in a constant state while providing real-time notifications to the user.
Career Highlights
Yasuhiko Wada is associated with Mitsubishi Electric Corporation, where he has been instrumental in developing cutting-edge technologies that promote efficiency and reliability in refrigeration and motor systems.
Collaborations
Throughout his career, Wada has collaborated with notable colleagues such as Hisanori Yamasaki and Keita Hatanaka. These partnerships have fostered a dynamic exchange of ideas, leading to innovative solutions in their respective fields.
Conclusion
Yasuhiko Wada's contributions to refrigeration technology and motor diagnostics reflect his dedication to innovation and improvement. With 20 patents to his name, his work continues to influence the industry and inspire future inventors aiming to push the boundaries of current technology.