Company Filing History:
1 out of 42,535 
1 out of 8 Years Active: 1996
Title: Sigeyasu Kouzuchi: Innovator in Semiconductor Technology
Introduction
Sigeyasu Kouzuchi is a notable inventor based in Hitachi, Japan. He is recognized for his contributions to semiconductor technology, particularly in the development of gate turn-off thyristors. His innovative work has led to advancements in electronic devices and systems.
Latest Patents
Kouzuchi holds a patent for a gate turn-off thyristor. This invention includes an n-type emitter semiconductor layer divided into a plurality of n-type areas, a p-type base semiconductor layer that cooperates with the n-type emitter semiconductor layer to form a first main circular surface, and an n-type base semiconductor layer. Additionally, a p-type emitter semiconductor layer cooperates with the n-type base semiconductor layer to form a second main circular surface. The outer diameter of the p-type emitter semiconductor layer is smaller than that of the n-type emitter semiconductor layer. A first main electrode is formed on the first main surface, and a second main electrode is formed on the second main surface. A control electrode is also formed in the p-type base semiconductor on the first main surface. This innovative design enhances the efficiency and performance of semiconductor devices.
Career Highlights
Throughout his career, Kouzuchi has worked with prominent companies such as Hitachi, Ltd. and Hitachi Haramachi Electronics Co., Ltd. His experience in these organizations has allowed him to contribute significantly to the field of electronics and semiconductor technology.
Collaborations
Kouzuchi has collaborated with notable colleagues, including Shuroku Sakurada and Takashi Saitoh. These partnerships have fostered innovation and development in their respective projects.
Conclusion
Sigeyasu Kouzuchi's contributions to semiconductor technology, particularly through his patent for a gate turn-off thyristor, highlight his role as an influential inventor. His work continues to impact the electronics industry positively.