This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1980.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1980
Title: Joh Nakajima: Semiconductor Interconnection Inventor
Introduction
Joh Nakajima is an inventor associated with Kodaira, Japan, and Hitachi, Ltd. His work includes a patent addressing interconnections in semiconductor integrated circuits.
Latest Patents
Nakajima is credited with 1 patent: “Interconnection Structure for Semiconductor Integrated Circuits.” The invention describes a structure combining polycrystalline silicon and metal interconnections. It uses a low-resistance, impurity-rich layer in selected portions of the polycrystalline silicon, while leaving undoped regions around designated through-holes. Metal interconnections run across the silicon interconnections, and contacts between them are made through openings in an insulating film.
Career Highlights
Nakajima’s listed patent reflects work on semiconductor circuit design, particularly the arrangement and connection of different interconnection materials. The supplied information identifies Hitachi, Ltd. as his company.
Collaborations
His listed coworkers include Toshiaki Masuhara and Yoshio Sakai.
Conclusion
Joh Nakajima’s patent documents a semiconductor interconnection approach designed to connect polycrystalline silicon and metal wiring through carefully positioned contacts.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile