Company Filing History:
Years Active: 1984-1986
Title: Manabu Itsumi: Innovator in Semiconductor Technology
Introduction
Manabu Itsumi is a prominent inventor based in Hoya, Japan, known for his significant contributions to the field of semiconductor technology. With a total of five patents to his name, Itsumi has made remarkable advancements in the manufacturing processes of semiconductor integrated circuits.
Latest Patents
One of Itsumi's latest patents is a manufacturing process for semiconductor integrated circuits. This innovation involves the formation of layers such as a field isolation region, a gate electrode, interlayer insulating films, and interconnection lines through a combination of a lift-off process and an ECR plasma deposition process. This method allows for the planarization of upper surfaces of the respective layers, enabling the fabrication of large-scale integrated circuits (LSIs) that boast high packing density, high operating speed, and high reliability, while minimizing issues such as shorting and breakage of interconnection lines. Another notable patent is for a semiconductor device and its manufacturing process, which includes a film of an insulator or conductor closely deposited in a groove formed in a semiconductor substrate. This process ensures a planarized surface by selectively etching a specimen using a resist pattern as a mask, followed by the deposition of a pattern forming film through plasma deposition techniques.
Career Highlights
Manabu Itsumi is currently employed at Nippon Telegraph and Telephone Public Corporation, where he continues to innovate in the semiconductor field. His work has been instrumental in enhancing the efficiency and reliability of semiconductor devices.
Collaborations
Throughout his career, Itsumi has collaborated with notable colleagues, including Seitaro Matsuo and Susumu Muramoto, contributing to various projects that push the boundaries of semiconductor technology.
Conclusion
Manabu Itsumi's contributions to semiconductor technology through his innovative patents and collaborative efforts have established him as a key figure in the industry. His work continues to influence the development of advanced semiconductor devices, ensuring high performance and reliability in modern electronics.