Makoto Endou

Title: Makoto Endou: Semiconductor Device Inventor

Introduction

Makoto Endou is an inventor based in Matsumoto-City, Japan, whose patent work focuses on semiconductor devices and their manufacturing processes. He is associated with Fuji Electric Co., Ltd. His portfolio includes 3 patents.

Latest Patents

Endou’s listed patents address semiconductor device structures and fabrication techniques.

“Method of Manufacturing Semiconductor Device and Semiconductor Device Having Trench Contact” describes forming semiconductor regions, gate trenches, gate insulation and electrodes, and an interlayer insulating film. The process creates a contact hole reaching a semiconductor region, uses a polymer mask during ion implantation to form another region, and then removes the polymer before completing the device’s electrodes and other regions.

“Semiconductor Device and Method of Manufacturing the Same” describes a device with an insulated gate electrode structure, semiconductor regions, and a contact plug placed in a trench with a barrier metal film. The patent also specifies the geometry of the contact hole and trench side walls, along with a contact region and main electrode regions.

Career Highlights

Endou’s listed inventions concern the design and manufacture of semiconductor devices, including trench contacts, contact plugs, and processes for forming semiconductor regions. These technologies reflect a focus on device structure and fabrication.

Collaborations

The provided information lists Keisuke Kobayashi and Shiomi Inoue as Endou’s coworkers. It does not specify their roles in the patents or describe particular joint projects.

Conclusion

Makoto Endou’s two listed patents highlight his work on semiconductor device structures and manufacturing methods at Fuji Electric Co., Ltd.