Company Filing History:
Years Active: 1980-1986
Title: Toji Mukai: Innovator in Semiconductor Technology
Introduction
Toji Mukai is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of semiconductor technology, holding two patents that showcase his innovative approach to photodetector devices.
Latest Patents
Mukai's latest patents include a semiconductive photodetector device and a low dark current photo-semiconductor device. The semiconductive photodetector device features a semiconductor substrate with multiple photodiodes arranged on one major surface. Notably, the exposed edges of adjacent pn junctions of these photodiodes are covered with a polysilicon film, enhancing their performance. The low dark current photo-semiconductor device comprises an active region of semiconductor material where carriers contributing to photocurrent are generated by incident light. A main junction is formed on one surface of the active region, directing the carriers towards it. Additionally, an extra region is buried within the active region, creating an additional junction that attracts a significant portion of thermally generated carriers, thereby reducing dark current.
Career Highlights
Toji Mukai is associated with Hitachi, Ltd., a leading company in technology and innovation. His work has been instrumental in advancing semiconductor devices, making them more efficient and effective for various applications.
Collaborations
Mukai has collaborated with notable colleagues such as Hirobumi Ouchi and Yoshiaki Yazawa, contributing to the development of cutting-edge technologies in the semiconductor field.
Conclusion
Toji Mukai's contributions to semiconductor technology through his innovative patents highlight his role as a key inventor in the industry. His work continues to influence advancements in photodetector devices, showcasing the importance of innovation in technology.