Location History:
- Tokyo, JP (1987 - 1988)
- Shibuya, JP (1992)
Company Filing History:
3 out of 68 
2 out of 3 
1 out of 1 Years Active: 1987-1992
Title: **Nobuhiko Arakawa: Innovator in Rapid Substance Analysis**
Introduction: Nobuhiko Arakawa, based in Tokyo, Japan, is an accomplished inventor recognized for his substantial contributions to the field of substance analysis. With a total of three patented innovations, Arakawa's work primarily focuses on methods that enhance the efficiency and accuracy of analyzing plural substances, particularly in the presence of biological catalysts.
Latest Patents: Among his latest patents, Arakawa has developed two significant methods for the rapid analysis of oxidizable components. The first patent outlines a novel technique for analyzing plural substances by injecting a pH buffer solution and specimen into a reaction cell. By successively adding various enzymes, the process induces an uptake reaction of dissolved oxygen, leading to selective oxidation of the substances in a stepwise manner. The method includes obtaining a stepdown curve of dissolved oxygen by using a dissolved oxygen sensor, allowing for qualitative and quantitative determinations of the substances based on enzyme type and addition order.
The second patent mirrors the innovations found in the first, reinforcing the efficiency of the analysis process. The construction of the reaction cell is equipped with a dissolved oxygen sensor, ensuring airtight conditions while allowing for precise reagent addition through a fine bore. This ingenious design facilitates effective monitoring of the oxidative processes at play.
Career Highlights: Nobuhiko Arakawa has had a distinguished career, contributing his expertise to notable companies such as Oriental Yeast Co., Ltd. and the Oriental Electric Company, Ltd. Through these roles, he has honed his skills in research and development, focusing on advanced analytical techniques.
Collaborations: Throughout his career, Arakawa has collaborated with esteemed colleagues, including Minoru Ohashi and Osamu Oka. Their combined efforts have fostered a creative and supportive environment conducive to innovation, further propelling advancements in the field of substance analysis.
Conclusion: With his innovative patents and contributions to the industry, Nobuhiko Arakawa stands out as a significant figure in the realm of rapid substance analysis. His dedication to enhancing analytical methodologies through scientific rigor and collaboration highlights the transformative impact of his work in the field. As the sciences advance, Arakawa's inventions will undoubtedly play a crucial role in various applications, paving the way for future innovations.