Location History:
- Yokohama, JA (1976 - 1977)
- Hachioji, JP (1985 - 1988)
- Tokyo, JP (1984 - 1993)
Company Filing History:
5 out of 52,711 
4 out of 2,916 
Years Active: 1976-1993
Title: The Innovations of Takeo Shimamura
Introduction
Takeo Shimamura is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of induction machines. With a total of nine patents to his name, Shimamura's work has had a lasting impact on the industry.
Latest Patents
One of his latest patents is an operating control device and method for a wound-rotor induction machine. This invention proposes a solution to ensure that the harmonic components present in the primary voltage of a winding type induction machine do not correspond to the antiresonance point of the impedance characteristic of the transmission system. By applying appropriate voltage command values to a PWM controlled inverter, the invention eliminates corresponding harmonic components from the primary winding, especially in cases of primary voltage distortion or transmission system changes. Another notable patent is related to an induction machine system that applies coordinate transformation to the excitation current reference vector. This allows the primary side of the wound-rotor induction machine to function as a voltage source, enhancing its operational efficiency.
Career Highlights
Throughout his career, Takeo Shimamura has worked with notable companies such as Toshiba Corporation and Tokyo Shibaura Electric Co., Ltd. His experience in these organizations has contributed to his expertise and innovative capabilities in the field of electrical engineering.
Collaborations
Some of his notable coworkers include Ryoichi Kurosawa and Hiroshi Uchino. Their collaboration has likely fostered an environment of innovation and creativity, leading to advancements in their respective fields.
Conclusion
Takeo Shimamura's contributions to the field of electrical engineering through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the development of induction machines and related technologies.
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.