Toshimitsu Sukegawa

Title: Innovations of Toshimitsu Sukegawa

Introduction

Toshimitsu Sukegawa is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of semiconductor technology, particularly in light-emitting diodes. With a total of 3 patents to his name, Sukegawa's work has had a notable impact on the industry.

Latest Patents

One of his latest patents is an epitaxial wafer for semiconductor light-emitting diodes. This invention involves a structure where an n-type cladding layer made of a mixed crystal of AlGaInP material, an active layer, a p-type Mg-doped cladding layer, and a p-type contact layer are stacked on an n-type GaAs substrate. The p-type contact layer consists of at least two layers, including an Mg-doped contact layer and a Zn-doped contact layer, which enhances the device's performance. Another significant patent is for a light-emitting diode array. This array features a conductive layer on a substrate, separate light-emitting portions, and a unique electrode configuration that allows for efficient operation and connectivity.

Career Highlights

Sukegawa is currently associated with Hitachi Cable, Inc., where he continues to innovate in the field of semiconductor devices. His work has been instrumental in advancing technologies that are crucial for modern electronic applications.

Collaborations

Throughout his career, Sukegawa has collaborated with notable colleagues, including Tomihisa Yukimoto and Eiichi Kunitake. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Toshimitsu Sukegawa's contributions to semiconductor technology, particularly in light-emitting diodes, highlight his role as a key inventor in the field. His patents reflect a commitment to advancing technology and improving device performance.