Company Filing History:
Years Active: 1989-1991
Title: Innovations of Yoshio Yamamoto
Introduction
Yoshio Yamamoto is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on enhancing the performance of high-frequency amplifying devices.
Latest Patents
Yamamoto's latest patents include a high-frequency amplifying semiconductor device. This device integrates a MOS field effect transistor and a bipolar transistor within the same wafer. The design allows for a reduction in source resistance, thereby improving high-frequency gain and noise figure (NF). Another patent involves a method of producing a semiconductor device with front and back surface electrodes. This method enhances the efficiency of the semiconductor device by utilizing a gold alloy layer and a silver layer on the polished back surface of the substrate.
Career Highlights
Yoshio Yamamoto is currently employed at Kabushiki Kaisha Toshiba, where he continues to innovate in semiconductor technology. His work has been instrumental in advancing the capabilities of high-frequency devices, making them more efficient and effective for various applications.
Collaborations
Yamamoto has collaborated with notable coworkers, including Kaoru Nakagawa and Nobutaka Matsuoka. Their combined expertise has contributed to the successful development of innovative semiconductor solutions.
Conclusion
Yoshio Yamamoto's contributions to semiconductor technology exemplify the spirit of innovation. His patents reflect a commitment to improving device performance and efficiency. His work continues to influence the field and inspire future advancements.