Location History:
- Hitachi, JP (2002 - 2004)
- Naka, JP (2009)
- Tokai, JP (2006 - 2013)
Company Filing History:
9 out of 42,488 
1 out of 48 Years Active: 2002-2013
Title: The Innovative Contributions of Junpei Uruno
Introduction
Junpei Uruno is a notable inventor based in Tokai, Japan, recognized for his significant contributions to the field of semiconductor technology. With a total of nine patents to his name, Uruno has made strides in developing advanced power conversion technologies that enhance efficiency and performance in electronic devices.
Latest Patents
Among his latest patents, Uruno has developed a gate drive circuit for voltage drive type semiconductor elements and a power converter. This innovative power converting apparatus features a gate drive circuit that includes a push-pull circuit made up of two transistors at its output stage. Additionally, it incorporates a diode connected in series with the push-pull circuit and a gate power source connected in parallel with the series circuit. The design also includes a negative voltage generating circuit that allows the output voltage of the push-pull circuit to switch between positive and negative polarity based on the signal applied to the base terminals of the transistors. Another significant invention is the buck-boost DC-DC converter with auxiliary inductors for zero current switching. This unidirectional DC-DC converter includes a DC power supply, a buck converter circuit with a main switching element, and a boost converter circuit with a second main switching element, among other components.
Career Highlights
Uruno has had a distinguished career, working with prominent companies such as Hitachi, Ltd. and Hitachi Appliances, Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the semiconductor industry.
Collaborations
Throughout his career, Uruno has collaborated with esteemed colleagues, including Hiroyuki Shoji and Yasuo Kaminaga. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Junpei Uruno's work exemplifies the spirit of innovation in the semiconductor field. His patents reflect a commitment to advancing technology and improving power conversion systems. His contributions continue to influence the industry and inspire future inventors.
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.