This inventor holds 1 USPTO granted patent. Top assignee: Shinagawa Refractories Co., Ltd.. Active years: 2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2011
Title: Hisashi Tomiya and Refractory Brick Innovation.
Introduction
Hisashi Tomiya is an inventor associated with Tokyo, Japan, and Shinagawa Refractories Co., Ltd. His patent work concerns refractory materials designed for demanding steelmaking applications.
Latest Patents
Tomiya is credited with 1 patent, titled “Refractory brick.” The invention describes a refractory brick intended to provide durability comparable to alumina-magnesia castable materials, with particular suitability for steelmaking ladles. It is made from alumina and magnesia raw materials, press-molded and heat-treated at temperatures from 100°C to 1,150°C. The specified composition includes at least 90% by mass of alumina and magnesia combined, 4–16% magnesia, 0.5–5% silica, and 0.3–2% sodium oxide and potassium oxide combined, with the balance consisting of alumina and unavoidable impurities.
Career Highlights
Tomiya’s documented patent highlights his contribution to refractory-brick technology for steel production. The invention focuses on material composition and processing conditions intended to support durability in ladle service.
Collaborations
Tomiya is associated with Shinagawa Refractories Co., Ltd. His listed coworkers include Ryosuke Nakamura and Hiroyuki Shikama.
Conclusion
Hisashi Tomiya’s patent reflects an engineering approach to improving refractory-brick durability for steelmaking ladles through carefully specified materials and manufacturing conditions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile