This inventor holds 2 USPTO granted patents. Top assignees: Nisshin Steel Co., Ltd., Sanoh Kogyo Kabushiki Kaisha. Active years: 1995-1999.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tokuyama, JP (1995)
- Sin-Nanyo, JP (1999)
Company Filing History:
2 out of 342 
1 out of 34 Years Active: 1995-1999
Title: Naoto Okubo: Innovator in Stainless Steel Technology
Introduction
Naoto Okubo is a notable inventor based in Tokuyama, Japan. He has made significant contributions to the field of stainless steel technology, particularly in enhancing its anti-microbial properties. With a total of 2 patents, Okubo's work has implications for various industries requiring sanitary materials.
Latest Patents
One of Okubo's latest patents is a method of using stainless steel with improved anti-microbial properties. This innovation involves the addition of copper in an amount of 0.4-5.0 wt. % and the precipitation of a Cu-rich phase at a ratio of 0.2 vol. % or more. The Cu-rich phase is uniformly dispersed in the matrix, ensuring that the stainless steel retains its anti-microbial properties even after polishing or mechanical work. This makes it suitable for applications in kitchen goods, electric home appliances, hospital tools, and public transport components.
Another significant patent is for a multifold pipe made from a copper-coated steel sheet. This multifold pipe is characterized by multiple rolling and turning of a cold-rolled sheet of super soft austenitic stainless steel. The composition includes specific percentages of carbon, silicon, manganese, nickel, chromium, nitrogen, and copper, ensuring optimal performance and durability.
Career Highlights
Throughout his career, Naoto Okubo has worked with prominent companies such as Nisshin Steel Co., Ltd. and Sanoh Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in stainless steel technology.
Collaborations
Okubo has collaborated with notable coworkers, including Katsuhisa Miyakusu and Morihiro Hasegawa. Their combined expertise has contributed to the advancement of stainless steel applications in various fields.
Conclusion
Naoto Okubo's contributions to stainless steel technology, particularly in enhancing its anti-microbial properties, have made a significant impact on industries requiring sanitary materials. His innovative patents and collaborations highlight his role as a key figure in this field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile