Location History:
- Asaka, JA (1977 - 1978)
- Minami-ashigara, JP (1983)
- Ashigara, JP (1983)
- Asaka, JP (1979 - 1993)
Company Filing History:
15 out of 16,458 
1 out of 3 Years Active: 1977-1993
Title: Nobuyoshi Sekikawa: Innovator in Analytical Elements
Introduction
Nobuyoshi Sekikawa is a prominent inventor based in Asaka, Japan. He has made significant contributions to the field of analytical chemistry, particularly through his innovative patents. With a total of 16 patents to his name, Sekikawa has established himself as a key figure in the development of analytical elements.
Latest Patents
Among his latest patents is the "Integral multilayer analytical element for analysis of ammonia-forming." This invention involves an integral multilayer analytical element designed for the analysis of ammonia or ammonia-forming substrates in liquid samples. The element features a transparent support that includes an indicator layer for ammonia, a liquid blocking layer, a reagent layer with a reactive substance, and a spreading layer, all superposed in a specific order. A notable improvement in this design is the use of a porous material for the liquid blocking layer, which is permeable to ammonia but substantially impermeable to liquids.
Career Highlights
Nobuyoshi Sekikawa has worked with notable companies such as Fuji Photo Film Company, Limited and Fuji Shashin Film Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in developing advanced analytical technologies.
Collaborations
Sekikawa has collaborated with esteemed colleagues, including Takao Masuda and Harumi Katsuyama. These partnerships have further enhanced his innovative capabilities and have led to the successful development of various analytical elements.
Conclusion
Nobuyoshi Sekikawa's work in the field of analytical chemistry, particularly through his patents, showcases his dedication to innovation. His contributions continue to impact the industry positively, and his inventions are a testament to his expertise and creativity.
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.