Tohru Maruyama

Title: Tohru Maruyama: Innovator in Semiconductor Technology

Introduction

Tohru Maruyama is a prominent inventor based in Kamakura, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 8 patents. His work focuses on nonvolatile semiconductor memory devices, which are crucial for modern electronic applications.

Latest Patents

One of Maruyama's latest patents is for a nonvolatile semiconductor memory device. This device includes a memory cell capable of storing data and being rewritten electrically. It features a bit line connected to the memory cell, a control circuit for verifying write results, and a voltage setting circuit that adjusts charging voltages for both verify and read operations. Another notable patent is for a semiconductor device and method for manufacturing the same. This non-volatile memory includes a tunnel insulation film on the active area, a floating gate electrode, and a control gate electrode, with specific dimensions designed to enhance performance.

Career Highlights

Tohru Maruyama is associated with Kabushiki Kaisha Toshiba, a leading company in the technology sector. His innovative work has positioned him as a key figure in the development of advanced semiconductor technologies. His patents reflect a deep understanding of memory device architecture and functionality.

Collaborations

Maruyama has collaborated with notable coworkers such as Riichiro Shirota and Fumitaka Arai. Their combined expertise has contributed to the advancement of semiconductor technologies and the successful development of innovative products.

Conclusion

Tohru Maruyama's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence the development of nonvolatile memory devices, shaping the future of electronic technology.