Company Filing History:
Years Active: 2003-2010
Title: Yasuhisa Ishikawa: Innovator in Semiconductor Technology
Introduction
Yasuhisa Ishikawa is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on developing devices that enhance the reliability and efficiency of semiconductor components.
Latest Patents
Ishikawa's latest patents include a semiconductor electrostatic protection device and an electrostatic discharge semiconductor protection circuit of reduced area. The semiconductor electrostatic protection device features an internal circuit with a high breakdown voltage transistor and a first electrostatic protection circuit. This circuit connects electrostatic protection elements in series, ensuring that the total breakdown voltage is nearly equal to that of the high breakdown voltage transistor. This design effectively protects the internal circuit by connecting the first electrostatic protection circuit between an input/output terminal and a ground terminal. The electrostatic discharge semiconductor protection circuit of reduced area includes a substrate and a well region, along with a field effect transistor and a diffused region. This configuration allows for the absorption of excess current, thereby safeguarding the internal circuit connected to the terminals.
Career Highlights
Yasuhisa Ishikawa is currently employed at Mitsumi Electric Company Ltd., where he continues to innovate in semiconductor technology. His work has been instrumental in advancing the capabilities of semiconductor devices, making them more robust against electrostatic discharge.
Collaborations
Ishikawa has collaborated with notable colleagues such as Yukihiro Terada and Atsushi Watanabe. Their combined expertise has contributed to the development of cutting-edge semiconductor technologies.
Conclusion
Yasuhisa Ishikawa's contributions to semiconductor technology through his innovative patents and collaborations highlight his role as a key figure in the industry. His work continues to influence the design and functionality of semiconductor devices, ensuring their reliability in various applications.