Company Filing History:
2 out of 7 
1 out of 42,485 
Years Active: 1987-1990
Title: Takato Yamakoshi: Innovator in Motor Control and Elevator Systems
Introduction
Takato Yamakoshi is a notable inventor based in Matsudo, Japan. He has made significant contributions to the fields of motor control and elevator systems, holding a total of 2 patents. His work reflects a deep understanding of engineering principles and innovative design.
Latest Patents
Yamakoshi's latest patents include a "Controlling method and device for permanent magnet synchronous motor." This invention features a controlling device that utilizes a permanent magnet as a rotor. It includes three-phase armature windings and a detecting means for identifying the rotational position and angle of the rotor. The device also incorporates a comparison means to evaluate the rotational speed against a predetermined reference speed, a converting means for determining the necessary currents for the armature windings, and a current controlling means to manage the current flows through these windings.
Another significant patent is the "Supervisory operation control system for protecting elevators." This system responds to vibrations detected at specific locations within the equipment. It triggers a supervisory operation when the product of speed and displacement of the vibration exceeds a predetermined threshold, ensuring the safety and reliability of elevator systems.
Career Highlights
Throughout his career, Takato Yamakoshi has worked with prominent companies such as Hitachi Elevator Engineering & Service Co., Ltd. and Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.
Collaborations
Yamakoshi has collaborated with notable colleagues, including Yoshimitsu Onoda and Shigeru Arakawa. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Takato Yamakoshi's contributions to motor control and elevator systems demonstrate his expertise and innovative spirit. His patents reflect a commitment to enhancing technology and improving safety in engineering applications.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.