Location History:
- Aichi-gun, JP (2010)
- Nagakute, JP (2016 - 2020)
Company Filing History:
4 out of 1,139 
1 out of 36,653 
1 out of 19,733 
Years Active: 2010-2025
Title: Isao Aoyagi: Innovator in Semiconductor Technology and Drowsiness Estimation
Introduction
Isao Aoyagi is a prominent inventor based in Nagakute, Japan. He has made significant contributions to the fields of semiconductor technology and driver safety through his innovative patents. With a total of 6 patents, Aoyagi's work reflects his dedication to advancing technology and improving safety measures.
Latest Patents
Aoyagi's latest patents include a method for predicting the failure of semiconductor devices and a drowsiness estimating apparatus. The method for predicting failure involves a semiconductor element with a trench gate structure, where the main cells consist of first and second cells. The second cells are designed to have gate insulating films that are more susceptible to breakdown under energization. By applying a common gate drive voltage and measuring electrical characteristics, Aoyagi's method allows for the prediction of failures in the first cells based on the performance of the second cells.
The drowsiness estimating apparatus is designed to enhance driver safety. It utilizes an imager to capture a face image of the driver and a detector to analyze mouth movements. By determining the type and duration of these movements, the apparatus can estimate the driver's level of drowsiness, providing a crucial safety feature for vehicle operation.
Career Highlights
Throughout his career, Aoyagi has worked with notable companies, including Toyota Central R&D Labs and Toyota Motor Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in automotive technology and safety.
Collaborations
Aoyagi has collaborated with talented individuals such as Kanae Murata and Norio Fujitsuka. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Isao Aoyagi's contributions to semiconductor technology and driver safety through his innovative patents highlight his role as a leading inventor. His work not only advances technology but also enhances safety for drivers, showcasing the impact of his inventions on society.