Location History:
- Chiyoda-ku, JP (2016)
- Tokyo, JP (1989 - 2023)
Company Filing History:
4 out of 15,928 
3 out of 389 
2 out of 5,290 
Years Active: 1989-2025
Title: The Innovations of Shoji Adachi
Introduction
Shoji Adachi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of motor technology, holding a total of 7 patents. His work focuses on enhancing the efficiency and performance of electric motors.
Latest Patents
Among his latest patents is the "Motor iron-loss calculation device and motor control device comprising same." This device calculates an iron-loss value of a motor based on a primary frequency and a q-axis current component in a dq-axis rotating coordinate system. Another notable patent is the "Motor inductance measurement device, motor drive system, and motor inductance measurement method." This invention includes energization control circuitry that applies an AC voltage to at least one axis on two-axis orthogonal rotation coordinates of the motor, allowing for precise inductance calculations.
Career Highlights
Shoji Adachi has worked with several esteemed companies, including Mitsubishi Electric Corporation and Ando Electric Company. His experience in these organizations has allowed him to develop innovative solutions that address complex challenges in motor technology.
Collaborations
Throughout his career, Adachi has collaborated with talented individuals such as Shinichi Furutani and Zhixien Li. These partnerships have fostered a creative environment that has led to groundbreaking advancements in his field.
Conclusion
Shoji Adachi's contributions to motor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of efficient motor systems.