This inventor holds 5 USPTO granted patents. Top assignees: Sharp Kabushiki Kaisha Corporation, Agency of Industrial Science and Technology, Sharp Kabushiki Kaishi. Active years: 1989-1993.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ikoma, JP (1989 - 1993)
- Nara, JP (1992 - 1993)
Company Filing History:


Years Active: 1989-1993
Title: Toshiaki Miyajima: Innovator in Semiconductor Technology
Introduction
Toshiaki Miyajima is a prominent inventor based in Ikoma, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 5 patents. His work focuses on advancements in power MOSFETs and semiconductor devices, showcasing his expertise and innovative spirit.
Latest Patents
Miyajima's latest patents include a vertical power MOSFET that features a semiconductive substrate of a first conductivity type serving as the drain. This design incorporates an impurity region of a second conductivity type on part of the surface of the semiconductive substrate, along with a source formed on the surface of the second conductivity type impurity region. The channel portion is controlled by a gate electrode through an insulating film, allowing for precise voltage application to manage channel current between the source and drain.
Another notable patent is a semiconductor device with a photodetector switching device. This device comprises a normally-off first MOSFET and a normally-off second MOSFET connected between the gate and source of the first MOSFET. It also includes a diode, a resistor, and an optoelectric transducer array, all integrated on a single semiconductor chip. Additionally, he has developed methods for manufacturing similar semiconductor devices, further demonstrating his innovative capabilities.
Career Highlights
Throughout his career, Toshiaki Miyajima has worked with notable companies, including Sharp Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the semiconductor industry.
Collaborations
Miyajima has collaborated with esteemed colleagues such as Masayoshi Koba and Minoru Yoshioka. These partnerships have fostered a creative environment that has led to significant advancements in their respective fields.
Conclusion
Toshiaki Miyajima's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His innovative designs and methods continue to shape the future of the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile