Company Filing History:
Years Active: 1991-1995
Title: Nobutaka Takao: Innovator in Radio Technology
Introduction
Nobutaka Takao is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of radio technology, holding a total of 6 patents. His work focuses on enhancing the efficiency and performance of radio transmitter apparatuses.
Latest Patents
One of his latest patents is a radio transmitter apparatus that optimizes load impedance to maximize transmission efficiency. This innovative design allows for the switching of load impedance on the final stage in response to the power source voltage or the transmission output power. Another notable patent is a power control circuit designed for use in radio transmitters, such as portable telephone sets. This circuit includes a power amplifier that amplifies the power of a transmission signal, along with control circuits that manage the amplitude of the output signal. The system also features a limiter, a multiplication circuit, a low-pass filter, and a comparison circuit to ensure that the DC component from the low-pass filter matches a reference voltage, regardless of temperature changes.
Career Highlights
Nobutaka Takao is currently employed at Sony Corporation, where he continues to innovate and develop new technologies in the field of radio communications. His work has been instrumental in advancing the capabilities of portable communication devices.
Collaborations
Throughout his career, Takao has collaborated with notable colleagues, including Satoshi Yokoya and Hiroshi Yasuda. These partnerships have contributed to the successful development of various technologies and patents.
Conclusion
Nobutaka Takao's contributions to radio technology exemplify his dedication to innovation and excellence. His patents reflect a deep understanding of the complexities involved in radio transmission, making him a valuable asset in the field.