This inventor holds 9 USPTO granted patents and 1 published patent application, plus 8 CIPO patents and 9 EPO patents. Top assignee: Sumitomo Metal Mining Company, Ltd.. Active years: 2017-2019.
Location History:
- Ehime, JP (2018)
- Tokyo, JP (2017 - 2019)
- Niihama, JP (2019)
Company Filing History:
Years Active: 2017-2019
Title: Innovations of Shuuji Okada in Nickel Smelting
Introduction
Shuuji Okada is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of metallurgy, particularly in the smelting of nickel oxide ores. With a total of 9 patents to his name, Okada's work has advanced the efficiency and effectiveness of nickel production processes.
Latest Patents
One of Okada's latest patents is a method for smelting nickel oxide ore. This innovative smelting method is capable of obtaining an iron-nickel alloy with a high nickel grade of 4% or higher. The process effectively facilitates a reduction reaction of pellets formed using nickel oxide ore as a raw material. In this method, pellets are produced from a mixture of nickel oxide ore and a carbonaceous reducing agent. The pellets are then reduced and heated in a smelting furnace, where a carbonaceous reducing agent is laid on the furnace floor in advance.
Another notable patent is a method for producing pellets that suppresses heat shock-induced crack occurrence. This method involves mixing nickel oxide ore, a binder, and a carbonaceous reducing agent to create a lump, which is then subjected to a preheat treatment at temperatures between 350°C to 600°C. This preheat treatment enhances the durability of the pellets during the smelting process.
Career Highlights
Shuuji Okada is currently employed at Sumitomo Metal Mining Company, Ltd., where he continues to innovate in the field of metallurgy. His work has not only contributed to the company's success but has also had a lasting impact on the industry as a whole.
Collaborations
Okada has collaborated with notable colleagues such as Junichi Takahashi and Taku Inoue. Their combined expertise has furthered advancements in nickel smelting technologies.
Conclusion
Shuuji Okada's contributions to nickel smelting through his innovative patents demonstrate his significant role in the field of metallurgy. His work continues to influence the industry and improve production methods for nickel alloys.