Location History:
- Katsuta, JP (1992)
- Hitachioota, JP (1995 - 1997)
- Hitachiota, JP (1995 - 2010)
Company Filing History:
11 out of 42,485 
2 out of 152 
1 out of 13,395 
Years Active: 1992-2010
Title: Yuuji Maeda: Innovator in Power Conversion Technology
Introduction
Yuuji Maeda is a prominent inventor based in Hitachiota, Japan. He has made significant contributions to the field of power conversion technology, holding a total of 11 patents. His work focuses on developing efficient systems that enhance the performance of electrical devices.
Latest Patents
One of Maeda's latest patents is a power converter designed to address specific operational challenges. This innovative power converter features a module section and a drive section that operates the module. The drive section includes a drive circuit that corresponds to a first semiconductor element within a parallel circuit. The drive circuit outputs drive signals to operate the first semiconductor element, which are then branched to a second semiconductor element. This design allows the second semiconductor element to function similarly to the first, resulting in a motor converter that effectively controls large currents at a low cost. Another notable patent is an electric generating system for automobiles, which includes a driving high-power generator powered by an engine. This system directly drives a DC motor using energy from the generator, with a control circuit that adjusts the generator's output voltage based on the vehicle's required driving force.
Career Highlights
Yuuji Maeda has worked with notable companies such as Hitachi, Ltd. and Hitachi Automotive Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in power conversion and automotive technology.
Collaborations
Throughout his career, Maeda has collaborated with talented individuals, including Keiichi Mashino and Yoshinori Fukasaku. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Yuuji Maeda's contributions to power conversion technology and automotive systems highlight his innovative spirit and dedication to engineering excellence. His patents reflect a commitment to improving efficiency and performance in electrical 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.