Location History:
- Sendai, JA (1976 - 1978)
- Komegafukuro Sendai, JP (1985)
Company Filing History:
6 out of 24 
1 out of 21,351 
1 out of 20 
Years Active: 1976-1985
Title: The Innovations of Jun-ichi Nishizawa
Introduction
Jun-ichi Nishizawa is a prominent inventor known for his significant contributions to the field of semiconductor technology. He is based in Sendai, Japan, and holds a total of seven patents. His work has greatly influenced the development of high-speed electronic devices.
Latest Patents
One of his latest patents is the GaAs semiconductor device. This invention focuses on a GaAs static induction transistor integrated circuit that operates at very high speeds. Gallium arsenide (GaAs) is notable for its superior electron mobility compared to silicon, making it ideal for high-speed semiconductor devices. The direct band gap of GaAs allows for efficient light emission, which is beneficial for creating light-receiving and emitting semiconductor devices. This technology enables ultra-high-speed signal transfer between semiconductor chips, facilitating rapid logical operations.
Another significant patent is the static induction type thyristor. This thyristor consists of an n-type semiconductor layer and a p-type semiconductor layer that form a pn junction. It includes n+ and p+ semiconductor layers that serve as main electrodes, along with apertured gate layers that are integrated within the n- and p- layers. The design allows for efficient production processes and enhances the performance of thyristors in various applications.
Career Highlights
Throughout his career, Jun-ichi Nishizawa has worked with notable organizations such as the Semiconductor Research Foundation and Mitsubishi Electric Corporation. His experience in these companies has contributed to his expertise in semiconductor technology and innovation.
Collaborations
He has collaborated with several professionals in the field, including Ichiemon Sasaki and Kentaro Nakamura. These collaborations have furthered advancements in semiconductor research and development.
Conclusion
Jun-ichi Nishizawa's contributions to semiconductor technology through his patents and collaborations have made a lasting impact on the industry. His innovative work continues to influence the development of high-speed electronic devices.