This inventor holds 3 USPTO granted patents. Top assignees: Takasago International Corporation, Takasago Perfumery Co., Ltd.. Active years: 1987-2010.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Osaka, JP (1987 - 1997)
- Minoo, JP (2010)
Company Filing History:
2 out of 511 
1 out of 47 
Years Active: 1987-2010
Title: Innovations by Inventor Tsuneaki Yamagata
Introduction
Tsuneaki Yamagata, a dedicated inventor based in Minoo, Japan, has made significant contributions to the field of chemistry. With a total of three patents to his name, Yamagata has focused his research on iridium complexes and asymmetric synthesis, showcasing his innovative spirit and commitment to advancing scientific knowledge.
Latest Patents
One of Yamagata's notable inventions is an iridium complex designed to enhance catalytic performance. The patented iridium complex, represented by the general formula: [(Ir H LL)(μ−X)(μ−X)(μ−X)]X⁻ (1), aims to provide an efficient catalyst for asymmetric synthesis. This invention emphasizes the relationship between chemical selectivity, enantioselectivity, and catalytic activity, marking a significant advancement in this area of research.
Additionally, Tsuneaki Yamagata has developed a novel process for preparing optically active amines. This process utilizes asymmetric hydrogenation of imine compounds, such as the one formed from benzylamine and acetophenone. By employing a catalytic amount of an iridium-optically active phosphine complex, this invention allows for the production of optically active amines with high optical purity, further solidifying Yamagata's reputation as an innovative chemist.
Career Highlights
Throughout his career, Tsuneaki Yamagata has worked with well-respected companies in the industry, including Takasago International Corporation and Takasago Perfumery Co., Ltd. His experience in these organizations has enabled him to develop and refine his inventions, contributing to the field of chemical synthesis.
Collaborations
During his professional journey, Yamagata has collaborated with talented peers such as Kazuhide Tani and Hidenori Kumobayashi. These collaborations have likely enhanced his research endeavors, allowing for the exchange of ideas and expertise crucial to innovative breakthroughs.
Conclusion
Tsuneaki Yamagata's work exemplifies the essence of innovation in chemistry. With his significant patents and expertise in iridium complexes and asymmetric synthesis, he continues to contribute valuable advancements to the scientific community. His dedication to research and collaboration with esteemed colleagues underscores the impact of his inventions on modern chemical practices.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile