Company Filing History:
5 out of 19,697 
2 out of 1,138 
1 out of 36,499 
Years Active: 2021-2025
Title: Keita Kataoka: Innovator in Semiconductor Technology
Introduction
Keita Kataoka is a prominent inventor based in Nagakute, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 7 patents. His work focuses on innovative solutions that enhance the performance and reliability of semiconductor devices.
Latest Patents
Kataoka's latest patents include a novel switching element that features a semiconductor substrate, a gate insulating film, and a gate electrode positioned within a trench. This design incorporates an n-type source region, a p-type body region, an n-type drift region, a p-type first electric field reduced region, and a p-type connection region. The critical parameters of this invention are defined by the relationship between the permittivity of the connection region, the critical electric field strength, and the area density of p-type impurity.
Another significant patent involves a method for predicting the failure of semiconductor devices. This invention describes a semiconductor element with a trench gate structure, consisting of first and second cells. The second cells are designed to have gate insulating films that are more susceptible to breakdown during energization. By measuring electrical characteristics during operation, the failure of the second cells can be detected, allowing for the prediction of potential failures in the first cells.
Career Highlights
Throughout his career, Keita Kataoka has worked with notable companies such as Denso Corporation and Toyota Chuo Kenkyusho. His experience in these organizations has allowed him to develop and refine his expertise in semiconductor technology.
Collaborations
Kataoka has collaborated with talented individuals in the field, including Katsuhiro Kutsuki and Yusuke Yamashita. These partnerships have contributed to the advancement of his innovative projects and patents.
Conclusion
Keita Kataoka is a distinguished inventor whose work in semiconductor technology has led to several important patents. His innovative designs and methods continue to influence the industry, showcasing his commitment to advancing technology.
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.