This inventor holds 1 USPTO granted patent. Top assignee: Tokyo Shibaura Denki Kabushiki Kaisha. Active years: 1977.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1977
Title: Ichirou Shimizu: Innovator in Inverter Technology
Introduction
Ichirou Shimizu is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of inverter technology, particularly with his innovative designs that enhance the efficiency of electrical systems. His work has garnered attention for its practical applications in various industries.
Latest Patents
Ichirou Shimizu holds a patent for an inverter apparatus. This invention includes a plurality of parallel branch circuits connected across a D.C. source, each featuring a pair of serially connected controllable switching elements. The apparatus also incorporates a D.C. reactor connected on either the D.C. side or A.C. side of the inverter. A circuit is designed to prevent attenuation of the current flowing through the D.C. reactor during the OFF period of the switching elements. The source of control pulses is provided to render ON the respective controllable switching elements for a 120-degree interval of the output alternating current. Additionally, the control pulse source includes means for chopping the current flowing through each controllable switching element at a predetermined modulation frequency.
Career Highlights
Ichirou Shimizu is associated with Tokyo Shibaura Denki Kabushiki Kaisha, a company known for its advancements in electrical engineering and technology. His work at the company has allowed him to develop and refine his inventions, contributing to the company's reputation in the industry.
Collaborations
Ichirou has collaborated with notable coworkers such as Takeo Shimamura and Akira Nabae. Their combined expertise has fostered an environment of innovation and creativity, leading to advancements in their respective fields.
Conclusion
Ichirou Shimizu's contributions to inverter technology exemplify the impact of innovative thinking in engineering. His patent for the inverter apparatus showcases his commitment to enhancing electrical systems, making him a significant figure in the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile