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Years Active: 2007-2013
Title: Hiroomi Ueda: Innovator in Amplifier Technology
Introduction
Hiroomi Ueda is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of amplifier technology, holding a total of 2 patents. His work focuses on enhancing the performance and efficiency of amplifiers, which are crucial components in various electronic devices.
Latest Patents
One of Ueda's latest patents is a Variable Frequency Amplifier. This innovative device includes a main amplifier system that amplifies one of the signals into which an input signal is split by a directional coupler to output the amplified signal. Additionally, it features an injection amplifier system that adjusts at least one of the amplitude and phase of the other signal, according to external settings, and amplifies this signal for injection into the output side of the main amplifier system. Another significant patent is for a High-Frequency Amplifier. This amplifier utilizes a constant voltage driven amplifier and a constant current driven amplifier, both employing bipolar transistors. The idle current of the constant current driven amplifier is set at a low value, allowing for adjustments in the idle current of the constant voltage driven amplifier, with both amplifiers combined in parallel for enhanced performance.
Career Highlights
Throughout his career, Ueda has worked with prominent companies such as Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in amplifier technology.
Collaborations
Ueda has collaborated with notable colleagues, including Akira Inoue and Kazuhisa Yamauchi. Their combined expertise has contributed to advancements in the field of electronics.
Conclusion
Hiroomi Ueda's contributions to amplifier technology through his patents and collaborations highlight his role as an influential inventor in the industry. His work continues to impact the development of efficient electronic devices.