Company Filing History:
3 out of 38,023 
1 out of 2 Years Active: 2004-2007
Title: Keiji Jono: Innovator in Semiconductor Technology
Introduction
Keiji Jono is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on advancements in memory cell design and trench-isolated transistors.
Latest Patents
One of his latest patents is for a memory cell with a trench-isolated transistor that includes first and second isolation trenches. This innovation features an isolation trench in a semiconductor with a first isolation trench portion having a first depth and a first sidewall intersecting the surface of the semiconductor at a specific angle. The second isolation trench portion extends within and below the first, with a second depth and a second sidewall that intersects the first sidewall at a greater angle. A dielectric material fills both isolation trench portions, enhancing the performance of the memory cell.
Another notable patent involves trench-isolated transistors, trench isolation structures, memory cells, and DRAMs. Similar to his previous patent, this invention also includes an isolation trench with specific structural characteristics that improve the efficiency and reliability of semiconductor devices.
Career Highlights
Throughout his career, Keiji Jono has worked with leading companies in the semiconductor industry, including Micron Technology Incorporated and KMT Semiconductor, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in semiconductor technology.
Collaborations
Keiji has collaborated with notable professionals in the field, including Hirokazu Ueda and Hiroyuki Watanabe. These collaborations have contributed to the advancement of semiconductor technologies and have fostered a spirit of innovation.
Conclusion
Keiji Jono's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of advanced memory cells and transistor technologies.