Location History:
- Saitama-Ken, JP (2002)
- Ogose-machi, JP (2005)
Company Filing History:
Years Active: 2002-2005
Title: The Innovations of Tadashi Ishii
Introduction
Tadashi Ishii is a notable inventor based in Ogose-machi, Japan. He has made significant contributions to the field of chemistry, particularly in the development of high-purity compounds. With a total of 2 patents to his name, Ishii's work has implications for various applications in materials science and electronics.
Latest Patents
Ishii's latest patents include a method for producing high-purity lanthanum isoproxide and a process for purifying gallium alkoxide. The first patent details a process where anhydrous lanthanum chloride is reacted with potassium isopropoxide in a mixed solvent of isopropanol and toluene. This method results in high-purity La(OiPr) with a yield of 77%, achieving a La content of 97 to 103% of the theoretical value. The second patent focuses on purifying gallium alkoxides by reducing the chlorine impurity, which is crucial for creating dielectrics containing gallium oxide. This process yields gallium isopropoxide with only 0.022 weight percent of chlorine.
Career Highlights
Tadashi Ishii is associated with Kabushikikaisha Kojundokagaku Kenkyusho, where he has been instrumental in advancing research in chemical processes. His innovative approaches have led to significant improvements in the purity and efficiency of chemical compounds.
Collaborations
Ishii has collaborated with notable colleagues such as Hidekimi Kadokura and Masamichi Matsumoto. Their combined expertise has contributed to the successful development of his patented processes.
Conclusion
Tadashi Ishii's contributions to the field of chemistry through his patents demonstrate his commitment to innovation and excellence. His work continues to influence the development of high-purity chemical compounds, showcasing the importance of research and collaboration in scientific advancement.