Location History:
- Kusatsu, JA (1976)
- Yokkaichi, JA (1977)
Company Filing History:
Years Active: 1976-1977
Title: Takayoshi Shirai: Innovator in Titanium Tetrachloride Production
Introduction
Takayoshi Shirai is a notable inventor based in Kusatsu, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of titanium tetrachloride. With a total of 2 patents to his name, Shirai's work has had a considerable impact on the industry.
Latest Patents
Shirai's latest patents focus on innovative processes for the production of titanium tetrachloride. The first patent describes a method where titanium tetrachloride is produced by reacting a titaniferous material, with a particle size of 150 mesh or less, with a chlorine-containing gas in the presence of a coarse carbonaceous substance within a dilute-phase fluidization system. The second patent outlines a process where a chlorine-containing gas is introduced as an upward flow into a vertical, upwardly widening column-type reactor. In this method, a titaniferous material and a solid carbonaceous reducing agent are charged into the reactor at its upper and lower parts, facilitating chlorination in a dilute-phase fluidization system and yielding titanium tetrachloride.
Career Highlights
Shirai is currently associated with Ishihara Sangyo Kaisha, Ltd., where he continues to innovate in the field of chemical production. His expertise in titanium processing has positioned him as a key figure in his company.
Collaborations
Some of his notable coworkers include Masaaki Adachi and Norio Nakasuzi, who have collaborated with him on various projects related to titanium production.
Conclusion
Takayoshi Shirai's contributions to the production of titanium tetrachloride demonstrate his innovative spirit and commitment to advancing chemical engineering. His patents reflect a deep understanding of the processes involved, making him a valuable asset in his field.