This inventor holds 8 USPTO granted patents. Top assignee: Seiko Instruments Inc. Active years: 2004-2014.
Company Filing History:
Years Active: 2004-2014
Title: The Innovations of Osamu Uehara
Introduction
Osamu Uehara is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of voltage regulators and DC-DC converters. With a total of 8 patents to his name, Uehara's work has had a considerable impact on modern electronic devices.
Latest Patents
One of Uehara's latest patents is a voltage regulator that includes an inrush current prevention circuit. This innovative design ensures that no current is consumed after the start-up of the voltage regulator. The start-up circuit features a constant current circuit, a first transistor connected to a constant voltage generation circuit, and a second transistor that plays a crucial role in regulating the voltage output. Another significant patent is a DC-DC converter equipped with a soft start circuit. This converter allows for a prolonged soft start time without the need to increase the capacitance used in the circuit. By gradually increasing the limiting level of an inductor current or reference voltage, the soft start time can be adjusted effectively.
Career Highlights
Osamu Uehara is currently employed at Seiko Instruments Inc., where he continues to innovate and develop new technologies. His work at the company has positioned him as a key player in the advancement of electronic components.
Collaborations
Uehara has collaborated with several talented individuals in his field, including Kiyoshi Yoshikawa and Toshiyuki Tsuzaki. These collaborations have further enhanced the quality and impact of his inventions.
Conclusion
Osamu Uehara's contributions to the field of electrical engineering through his patents and innovations demonstrate his expertise and commitment to advancing technology. His work continues to influence the development of efficient electronic devices.