Location History:
- Chitose, JP (2011 - 2012)
- Sayama, JP (2012 - 2013)
Company Filing History:
Years Active: 2011-2013
Title: Junichiro Yamakawa: Innovator in Voltage Controlled Oscillators
Introduction
Junichiro Yamakawa is a prominent inventor based in Sayama, Japan. He has made significant contributions to the field of electronics, particularly in the development of voltage controlled oscillators. With a total of seven patents to his name, Yamakawa's work has had a considerable impact on the industry.
Latest Patents
Yamakawa's latest patents include innovative designs for voltage controlled oscillators. One of his notable inventions is a compact voltage controlled oscillator that can be manufactured at a low cost. This oscillator features a resonance part that includes a variable capacitance element and an inductance element. The variable capacitance element adjusts according to a control voltage for frequency control input from an external source. Additionally, the oscillator is designed to have an amplifying part that enhances the frequency signal from the resonance part, along with a feedback part that forms an oscillation loop. Another significant patent focuses on a voltage controlled oscillator that achieves a low phase noise characteristic over a wide frequency range. This design utilizes a quartz crystal substrate with superior characteristics, allowing for the creation of a high Q value resonance part.
Career Highlights
Yamakawa is currently employed at Nihon Dempa Kogyo Co., Ltd., where he continues to innovate in the field of electronic components. His work has been instrumental in advancing the technology behind voltage controlled oscillators, making them more efficient and effective for various applications.
Collaborations
Throughout his career, Yamakawa has collaborated with notable colleagues, including Kazuo Akaike and Mikio Takano. These partnerships have contributed to the successful development of his patented technologies.
Conclusion
Junichiro Yamakawa is a distinguished inventor whose work in voltage controlled oscillators has paved the way for advancements in electronic components. His innovative designs and patents reflect his commitment to enhancing technology in the industry.
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.