Hirobumi Ohuchi

Title: Hirobumi Ohuchi: Innovator in Semiconductor Technology

Introduction

Hirobumi Ohuchi is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work focuses on enhancing the performance and efficiency of photodetectors and avalanche photodiodes.

Latest Patents

Ohuchi's latest patents include an innovative avalanche photodiode with reduced avalanche breakdown voltage. This device features a rectification barrier formed by an n.sup.+ -layer and a p-type layer of low doping concentration. A thin p-layer with a higher doping concentration than the p.sup.- -layer is inserted between the p.sup.- -layer and a .pi.-layer, significantly lowering the avalanche breakdown voltage of the photodiode. Another notable patent is for a semiconductor photodetector, which comprises a first semiconductor layer with N-type conductivity and a second semiconductor layer with higher resistivity. This design enhances the light receiving capabilities of the device.

Career Highlights

Hirobumi Ohuchi is associated with Hitachi, Ltd., where he has been instrumental in advancing semiconductor technologies. His work has contributed to the development of more efficient and reliable photodetectors, which are essential in various applications.

Collaborations

Ohuchi has collaborated with notable colleagues, including Sumio Kawakami and Masahiro Okamura. These partnerships have fostered innovation and have led to significant advancements in their respective fields.

Conclusion

Hirobumi Ohuchi's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of advanced photodetectors and avalanche photodiodes.