Yoshihiko Furukawa

Title: Innovations of Yoshihiko Furukawa

Introduction

Yoshihiko Furukawa is a prominent inventor based in Tokushima, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work focuses on the development and manufacturing methods of semiconductor elements and devices.

Latest Patents

Furukawa's latest patents include a method for manufacturing a semiconductor element. This method involves forming a first silicon oxide film on a semiconductor wafer under specific conditions, followed by the formation of a second silicon oxide film with a lower density. The process includes coating with photoresist, exposing it using a photomask, and forming an electrode film, culminating in a lift-off process.

Another notable patent is for a semiconductor laser device. This device features a semiconductor layer with an active layer sandwiched between n-type and p-type layers. The design includes a resonator face formed by etching and a projection that extends in the emission direction. A protective film is formed to ensure that the emission critical angle is larger than the emission half-angle of the laser beam, enhancing its efficiency.

Career Highlights

Furukawa is associated with Nichia Corporation, a leading company in the semiconductor industry. His work has been instrumental in advancing the technology used in semiconductor devices, contributing to the company's reputation for innovation.

Collaborations

Furukawa has collaborated with notable coworkers, including Makoto Shimada and Akiyoshi Kinouchi. Their combined expertise has fostered advancements in semiconductor technology.

Conclusion

Yoshihiko Furukawa's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to impact the industry positively.