This inventor holds 2 USPTO granted patents. Top assignee: Ngk Spark Plug Company, Limited. Active years: 1994-1996.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Aichi, JP (1994)
- Nagoya, JP (1996)
Company Filing History:
Years Active: 1994-1996
Title: Naoyuki Okamoto: Innovator in Ceramic Technology
Introduction
Naoyuki Okamoto is a prominent inventor based in Aichi, Japan. He has made significant contributions to the field of ceramic technology, particularly in the development of innovative assembly techniques for ceramic substrates. With a total of 2 patents to his name, Okamoto's work has garnered attention in the industry.
Latest Patents
Okamoto's latest patents include a ceramic base and metallic member assembly. This invention involves a metallic member, such as an input/output terminal, which is joined by solder to a ceramic base substrate through a stress relief layer. The ceramic base substrate features a metallized layer, on which the stress relief layer is formed by plating. The stress relief layer is composed of soft metal, such as copper, and has a thickness equal to or greater than 25 micrometers. Additionally, a barrier made of glass or an organic insulating material is formed on the peripheral portion of the joining surface of the stress relief layer to prevent solder outflow.
Another notable patent is for a ceramic substrate that consists essentially of crystallized glass. This substrate has at least one through-hole filled with a conductor material, which includes 100 parts by weight of copper and 1 to 30 parts by weight of glass. The glass has a softening point of 1,000 degrees Celsius or less and a thermal expansion coefficient ranging from 1.5 x 10^-6 /K to 4.0 x 10^-6 /K, measured in a temperature range from room temperature to 400 degrees Celsius.
Career Highlights
Naoyuki Okamoto is currently employed at NGK Spark Plug Company, Limited, where he continues to innovate in the field of ceramics. His work has been instrumental in advancing the technology used in spark plugs and other ceramic components.
Collaborations
Okamoto has collaborated with notable colleagues, including Kazunori Miura and Hidetoshi Mizutani. Their combined expertise has contributed to the successful development of various projects within the company.
Conclusion
Naoyuki Okamoto's contributions to ceramic technology through his patents and work at NGK Spark Plug Company, Limited, highlight his role as an influential inventor in the industry. His innovative approaches continue to shape the future of ceramic applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile