Hiroyuki Tanikawa

Title: Hiroyuki Tanikawa: Innovator in Semiconductor Technology

Introduction

Hiroyuki Tanikawa is a prominent inventor based in Akishima, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 14 patents. His work has been instrumental in advancing nonvolatile memory cell designs, which are crucial for modern electronic devices.

Latest Patents

One of Tanikawa's latest patents involves a semiconductor device that includes a plurality of nonvolatile memory cells. Each memory cell comprises a MOS type first transistor section used for information storage and a MOS type second transistor section that selects the first transistor section. The second transistor section features a bit line electrode connected to a bit line and a control gate electrode linked to a control gate control line. The first transistor section has a source line electrode connected to a source line, a memory gate electrode connected to a memory gate control line, and a charge storage region located directly below the memory gate electrode. Notably, the gate withstand voltage of the second transistor section is lower than that of the first transistor section. The relationship between the thickness of the gate insulating films of the two sections is defined as tc < tm.

Career Highlights

Throughout his career, Hiroyuki Tanikawa has worked with leading companies in the semiconductor industry, including Renesas Electronics Corporation and Hitachi ULSI Systems Co., Ltd. His experience in these organizations has allowed him to refine his expertise and contribute to groundbreaking innovations in semiconductor technology.

Collaborations

Tanikawa has collaborated with notable colleagues such as Toshihiro Tanaka and Yutaka Shinagawa. These partnerships have fostered a creative environment that has led to the development of advanced semiconductor solutions.

Conclusion

Hiroyuki Tanikawa's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of modern electronic devices.