This inventor holds 2 USPTO granted patents. Top assignees: Kawasaki Steel Corporation, Kawasaki Jukogyo Kabushiki Kaisha. Active years: 1979-1984.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kurashiki, JP (1979)
- Mitaka, JP (1984)
Company Filing History:

Years Active: 1979-1984
Title: Innovations of Hiroshi Ooi
Introduction
Hiroshi Ooi is a notable inventor based in Mitaka, Japan. He has made significant contributions to the field of metallurgy, particularly through his innovative patents. With a total of two patents to his name, Ooi has focused on enhancing the efficiency and effectiveness of metallurgical processes.
Latest Patents
One of Hiroshi Ooi's latest patents is a method and apparatus for heating or heating and reduction of raw materials. This invention involves an apparatus designed for metallurgical furnaces that utilizes high-temperature waste gases released from the furnace. The apparatus includes one or more reactors capable of holding raw materials, which can be processed in multiple batches. The reactors are strategically placed on a bypass passage connected to a waste gas processing apparatus, allowing for effective heating and reduction of raw materials during the furnace operation.
Another significant patent by Ooi pertains to steel materials that exhibit excellent hydrogen-induced cracking resistance. These materials are formulated to withstand environments containing hydrogen sulfide (H₂S) and include specific percentages of carbon, silicon, manganese, aluminum, sulfur, and calcium. The addition of elements such as copper, nickel, chromium, boron, molybdenum, niobium, vanadium, zirconium, and titanium enhances the tensile strength of these steel materials. Furthermore, the stability of the calcium effect is improved by incorporating rare-earth elements.
Career Highlights
Hiroshi Ooi has had a distinguished career, working with prominent companies in the metallurgy sector. He has been associated with Kawasaki Steel Corporation and Kawasaki Jukogyo Kabushiki Kaisha, where he contributed to various innovative projects and advancements in metallurgical technology.
Collaborations
Throughout his career, Ooi has collaborated with esteemed colleagues, including Toshihiko Emi and Osamu Haida. These collaborations have further enriched his work and contributed to the development of innovative solutions in metallurgy.
Conclusion
Hiroshi Ooi's contributions to the field of metallurgy through his patents demonstrate his commitment to innovation and excellence. His work continues to influence the industry, showcasing the importance of advancements in metallurgical processes.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile