Company Filing History:
Years Active: 2003-2008
Title: Tetsuo Endoh: Innovator in Semiconductor Technology
Introduction
Tetsuo Endoh is a prominent inventor based in Natori, Japan, known for his significant contributions to semiconductor technology. With a total of 8 patents to his name, Endoh has made remarkable advancements in the field, particularly in semiconductor memory devices.
Latest Patents
Endoh's latest patents include a semiconductor memory device and a manufacturing method for the same. This invention provides a semiconductor memory device featuring one or more protruding semiconductor layers formed on a semiconductor substrate of a first conductivity type. The device includes a plurality of memory cells on the surfaces of these protruding semiconductor layers. Each memory cell consists of a charge storage layer, a control gate, and an impurity diffusion layer of a second conductivity type. The memory cells are aligned in a predetermined direction, with the control gates placed to ensure separation from one another.
Another notable patent is a method for evaluating the dependence of properties of a semiconductor substrate on plane orientation. This method involves forming a hard mask on a semiconductor substrate, anisotropically etching the substrate using the hard mask, and evaluating the plane orientation dependence based on the surface oriented in a specific crystal orientation.
Career Highlights
Throughout his career, Tetsuo Endoh has worked with notable companies, including Sharp Corporation. His work has significantly impacted the semiconductor industry, leading to innovations that enhance memory device performance and manufacturing processes.
Collaborations
Endoh has collaborated with esteemed colleagues such as Fujio Masuoka and Takuji Tanigami, contributing to the advancement of semiconductor technologies through shared expertise and innovative ideas.
Conclusion
Tetsuo Endoh'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 advancements in semiconductor memory devices and manufacturing methods.