This inventor holds 11 USPTO granted patents and 3 published patent applications and 1 EPO patent. Top assignee: Kabushiki Kaisha Yaskawa Denki. Active years: 2001-2015.
Location History:
- Kitakyushu, JP (2012 - 2014)
- Fukuoka, JP (2001 - 2015)
Company Filing History:
Years Active: 2001-2015
Title: Makoto Kojyo: Innovator in Power Conversion Technology
Introduction
Makoto Kojyo is a prominent inventor based in Fukuoka, Japan. He has made significant contributions to the field of power conversion technology, holding a total of 11 patents. His innovative designs focus on enhancing the efficiency and functionality of power converting apparatuses.
Latest Patents
Among his latest patents is a power converting apparatus and filter switch. This invention includes a switching element designed to convert and output power effectively. The filter substrate within the apparatus is configured to reduce the transmission of noise generated in the switching element to the input power source. The housing of the apparatus features a housing base with a first and second surface, where the main body, including the filter substrate and various electronic components, is located on the first surface. Additionally, an air duct is positioned on the second surface to facilitate the flow of cooling air. The filter switch is also located on the first surface, allowing for the switching between making and breaking electrical conduction between the filter circuit and the housing.
Another notable invention is the matrix converter, which comprises first to third AC reactors connected in series with the outputs of three-phase AC electric power. This converter includes a first cooling fan that generates cool air to maintain the temperature of the AC reactors, which are arranged side-by-side in a direction that intersects the airflow.
Career Highlights
Makoto Kojyo is currently employed at Kabushiki Kaisha Yaskawa Denki, a company known for its advancements in electrical engineering and automation. His work has significantly impacted the efficiency of power conversion systems, making them more reliable and effective for various applications.
Collaborations
Throughout his career, Kojyo has collaborated with notable colleagues, including Kazutaka Kishimoto and Sumiaki Nagano. These partnerships have fostered innovation and contributed to the development of cutting-edge technologies in the field.
Conclusion
Makoto Kojyo's contributions to power conversion technology exemplify his dedication to innovation and excellence. His patents reflect a deep understanding of electrical engineering principles and a commitment to improving the efficiency of power systems. His work continues to influence the industry and inspire future advancements.