Location History:
- Shinchi-machi, JP (2001 - 2002)
- Fukushima-ken, JP (2003 - 2008)
Company Filing History:
Years Active: 2001-2008
Title: Shigeru Osada: Innovator in Tuning and Signal Processing Circuits
Introduction
Shigeru Osada is a prominent inventor based in Fukushima-ken, Japan. He has made significant contributions to the field of electronics, particularly in tuning circuits and signal processing. With a total of 13 patents to his name, Osada continues to push the boundaries of innovation in his industry.
Latest Patents
Osada's latest patents include a tuning circuit designed to prevent a deterioration of Q value. This tuning circuit comprises a first circuit that serially connects a first variable capacitor element and a second variable capacitor element. It also includes an inductance element that is parallely connected to the first circuit and constitutes a resonance circuit with it. Additionally, a second circuit is included, which features a switch element and a third resistor that are serially connected and parallely connected to the first circuit. This design applies a predetermined tuning voltage through first and second resistors connected to both ends of the first variable capacitor element.
Another notable patent is a signal adder circuit capable of removing effects due to phase error or amplitude error of I and Q signals. This circuit includes an adding unit with a pair of amplification elements where a constant current flows between ground terminals. Input signals with different phases are fed into input terminals, and the output terminals are connected to a power supply voltage. The circuit also features a gain control unit and a phase control unit to adjust the amplitudes and phases of the input signals, respectively.
Career Highlights
Shigeru Osada has built a successful career at Alps Electric Co., Ltd., where he has been instrumental in developing innovative electronic solutions. His work has not only advanced the company's technological capabilities but has also contributed to the broader field of electronics.
Collaborations
Osada has collaborated with notable colleagues such as Takeo Suzuki and Toshiro Furuta. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Shigeru Osada is a distinguished inventor whose work in tuning and signal processing circuits has made a lasting impact on the electronics industry. His numerous patents reflect his commitment to innovation and excellence in his field.
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.