This inventor holds 3 USPTO granted patents and 2 published patent applications. Top assignees: The Tokyo Electric Power Company, Incorporated, Bigwood Systems, Incorporated, Other. Active years: 2003-2012.
Company Filing History:
2 out of 177 
1 out of 3 
2 out of 834,350 Years Active: 2003-2012
Title: Ryuya Tanabe: Innovator in Power System Dynamics
Introduction
Ryuya Tanabe is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of power systems, particularly in the area of stability and dynamic screening. With a total of 3 patents, his work has advanced the understanding and management of electric power systems.
Latest Patents
One of Tanabe's latest patents is the "Stable equilibrium point (SEP) calculation apparatus of power system." This invention addresses the challenges of calculating stable equilibrium points when traditional methods, such as the Newton method, are not applicable. By adjusting the damping factor of a mechanical system differential equation, Tanabe's approach allows for the application of pseudo-transient simulation to find a norm of the mechanical system equation. If this norm meets specific conditions, it sets the initial values for the nonlinear differential algebraic equation, ultimately determining a stable equilibrium point.
Another significant patent is the "Method and system for on-line dynamical screening of electric power system." This system evaluates potential disturbances that an electric power system may encounter. It employs a dynamic contingency screening program that classifies various contingencies based on the boundary of stability region method. By applying these contingencies to different classifiers, the system can categorize them into stable and unstable groups, enhancing the reliability of power systems.
Career Highlights
Throughout his career, Ryuya Tanabe has worked with prominent organizations, including The Tokyo Electric Power Company, Incorporated. His expertise in power systems has positioned him as a key figure in the industry, contributing to advancements that improve system stability and reliability.
Collaborations
Tanabe has collaborated with esteemed colleagues such as Yasuyuki Tada and Hiroshi Okamoto. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Ryuya Tanabe's contributions to power system dynamics through his innovative patents demonstrate his commitment to enhancing the stability and efficiency of electric power systems. His work continues to influence the field and pave the way for future advancements.