This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: Kayaba Kogyo Kabushiki Kaisha, Showa Denko K.k., Sumitomo Metal Industries, Inc.. Active years: 1984-2022.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 95 
1 out of 1,961 
1 out of 929 Years Active: 1984-2022
Title: Ryuji Takahashi: Innovator in HILIC Column Technology
Introduction
Ryuji Takahashi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of liquid chromatography, particularly in the development of packing materials for HILIC columns. With a total of 2 patents, his work has advanced the analysis of oligosaccharides, enhancing the efficiency and accuracy of this important process.
Latest Patents
Takahashi's latest patents include a packing material for HILIC columns and a control system for a superhigh pressure generation circuit. The packing material is designed to facilitate more accurate and easier oligosaccharide analysis by liquid chromatography. It consists of particles created by reacting glycidol with a hydroxyl group of a porous cross-linked polymer base material. This innovative packing material boasts a hydrophilicity index of 2.30 or more and a surface-pH index ranging from 0.95 to 1.05.
The second patent, a control system for a superhigh pressure generation circuit, features a hydraulic pump that operates within a standard delivery pressure range. An electrohydraulic servo valve regulates the flow rate of pressurized fluid from the pump to a primary side of a boost cylinder. The system utilizes a stepped piston that generates elevated fluid pressure based on the effective sectional area ratio, ensuring precise control through feedback mechanisms.
Career Highlights
Throughout his career, Ryuji Takahashi has worked with prominent companies such as Sumitomo Metal Industries, Inc. and Showa Denko K.K. His experience in these organizations has contributed to his expertise in the field of innovations related to chromatography and fluid dynamics.
Collaborations
Takahashi has collaborated with notable coworkers, including Hideyuki Kondo and Toshiji Takigawa. Their combined efforts have furthered advancements in their respective fields, showcasing the importance of teamwork in innovation.
Conclusion
Ryuji Takahashi's contributions to the field of liquid chromatography through his patents and career experiences highlight his role as a significant inventor. His work continues to influence the analysis of oligosaccharides, demonstrating the impact of innovative technologies in scientific research.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile