Location History:
- Kobe, JP (1979 - 1980)
- Hyogo, JP (1984)
Company Filing History:
3 out of 8 
2 out of 5,967 
1 out of 1,256 Years Active: 1979-1984
Title: **The Innovations of Sigeo Matsui: A Leader in Gas Purification Technologies**
Introduction
Sigeo Matsui, an accomplished inventor based in Kobe, Japan, has made significant contributions to the field of gas purification. With a total of three patents under his name, Matsui's work primarily focuses on methods for the removal of nitrogen from gas mixtures, which is crucial for various industrial applications.
Latest Patents
Matsui's latest innovations include a groundbreaking process for removing nitrogen gas from mixtures comprising N₂. This method employs pressure swing adsorption (PSA) utilizing at least two adsorption columns filled with an adsorbent that selectively targets carbon monoxide, integrating rare earth-containing alloys for maximum efficacy. His second patent details an efficient and economical technique for hydrogen gas purification. This process employs a rare earth metal alloy mixed with nickel and/or cobalt and optionally iron, copper, or chromium. The extraordinary selectivity of this alloy allows for the effective capture of hydrogen while minimizing the adsorption of typical impurities found in impure hydrogen gas. The process enhances purity through pressurized adsorption and subsequent recovery of high-purity hydrogen under reduced pressure or heating, ensuring high efficiency. The alloy powder is activated using repeated hydrogen adsorption-desorption cycles, enhancing its performance.
Career Highlights
Throughout his career, Sigeo Matsui has worked with notable companies such as Osaka Oxygen Industries and Shin-Etsu Chemical Co., Ltd. His expert knowledge and innovative thinking have positioned him as a valuable asset in the field of gas purification technologies.
Collaborations
Matsui's journey is also marked by significant collaborations with esteemed colleagues, including Susumu Sakaguchi and Zenji Hagiwara. These partnerships have contributed to the development and refinement of technologies that are essential to industrial gas operations.
Conclusion
Sigeo Matsui's innovative contributions in gas purification reflect his dedication to enhancing industrial processes. His inventions not only showcase his expertise but also demonstrate the ongoing need for efficient and effective methods in the growing field of gas separation technologies. As advancements continue, Matsui's work remains influential, paving the way for future innovations.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.