Masanori Itoh

Title: **Innovative Contributions of Masanori Itoh in Semiconductor Technology**

Introduction

Masanori Itoh, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of semiconductor technology. With a diverse portfolio of nine patents, his inventions focus on improving efficiency and performance in semiconductor devices, particularly field effect transistors and ohmic electrodes.

Latest Patents

Masanori Itoh’s most recent patents highlight cutting-edge methodologies in semiconductor manufacturing. One notable invention is the "Method for manufacturing a field effect transistor having a field plate." This innovative process utilizes a photoresist pattern for gate electrode formation, employing reactive ion etching to expose a GaN semiconductor layer. A self-aligned process allows for the formation of a gate electrode while preventing oxidized film formation on the semiconductor surface.

Another significant patent is for a "semiconductor device having an ohmic recessed electrode." This design addresses resistance issues by introducing a recess-structured ohmic electrode. Here, a two-dimensional electron gas layer is formed, which effectively minimizes resistance variation due to manufacturing irregularities. The unique configuration of the ohmic electrodes, with non-parallel side faces and occasionally a saw tooth or comb tooth form, enhances the contact area, ultimately reducing ohmic resistance.

Career Highlights

Masanori Itoh has had a distinguished career with leading technology companies. He has worked at Oki Electric Industry Co., Ltd. and Fujikura Limited, where he contributed to advancements in semiconductor technology. His expertise has helped further innovation in the industry and impacted various technological applications.

Collaborations

Throughout his career, Masanori Itoh has collaborated with notable professionals, including Shinichi Hoshi and Hisanaga Hirabayashi. These partnerships have fostered a creative environment that has led to exceptional inventions and improvements in semiconductor processes.

Conclusion

Masanori Itoh's innovative spirit and practical inventions have significantly contributed to the field of semiconductor technology. His latest patents not only showcase his technical expertise but also reflect his commitment to advancing the industry. As technology continues to evolve, the impact of his work will undoubtedly play a crucial role in shaping the future of electronic devices.