Location History:
- Hyogo, JP (2002 - 2005)
- Takasaki, JP (2006 - 2007)
Company Filing History:
5 out of 3,781 
1 out of 1 
10 out of 832,680 Years Active: 2002-2007
Title: Innovations by Shinji Yamada
Introduction
Shinji Yamada is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of electronics, particularly in high-frequency power amplification technologies. With a total of 15 patents to his name, Yamada's work has had a substantial impact on the development of advanced electronic components.
Latest Patents
Yamada's latest patents include a semiconductor integrated circuit for high-frequency power amplifiers, an electronic component for high-frequency power amplifiers, and a radio communication system. In his radio communication system, the electronic component detects the output level necessary for feedback control of the output power in a high-frequency power amplification circuit through current detection. This component features an error amplifier that compares the output level detection signal with an output level instruction signal, generating a control signal for the gain of the high-frequency power amplification circuit based on their difference. The error amplifier utilizes a low-pass amplification circuit, which includes a phase compensation circuit to enhance performance. Additionally, his high-frequency power amplifier circuit improves detection accuracy for output level feedback control, allowing for more precise output power control.
Career Highlights
Throughout his career, Shinji Yamada has worked with notable companies, including Renesas Technology Corporation. His innovative designs and patents have positioned him as a key figure in the electronics industry, particularly in the realm of high-frequency applications.
Collaborations
Yamada has collaborated with esteemed colleagues such as Hisaya Mori and Teruhiko Funakura. Their combined expertise has contributed to the advancement of technologies in their field.
Conclusion
Shinji Yamada's contributions to high-frequency power amplification and electronic components have established him as a leading inventor in Japan. His innovative patents continue to influence the electronics industry and pave the way for future advancements.
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.