Masahiko Kusumoto is a prominent inventor based in Fukuoka, Japan. He has made significant contributions to the field of chemistry, particularly in the development of novel production methods for various chemical compounds. With a total of 10 patents to his name, Kusumoto's work has had a considerable impact on the industry.

Latest Patents

One of Kusumoto's latest patents is a production method of 4,6-diaminoresorcin. This invention relates to a novel production method that includes the synthesis of 2-sulfonic acid-4,6-dinitroresorcin as an intermediate. The process involves several steps: sulfonating resorcin to obtain resorcin 2,4,6-trisulfonate, nitrating this compound to yield 2-sulfonic acid-4,6-dinitroresorcin, hydrolyzing it to produce 4,6-dinitroresorcin, and finally reducing it to obtain 4,6-diaminoresorcin. Another notable patent is for a process for producing α,α-difluorocycloalkane compounds. This method allows for the production of these compounds at high purity and efficiency by treating a fluorocycloalkene with hydrogen fluoride.

Career Highlights

Kusumoto has worked with notable companies such as Mitsui Chemicals, Inc. and Mitsui Toatsu Chemicals, Incorporated. His experience in these organizations has contributed to his expertise in chemical production methods and innovation.

Collaborations

Throughout his career, Kusumoto has collaborated with esteemed colleagues, including Koju Okazaki and Mamoru Tanaka. These collaborations have further enhanced his research and development efforts in the field of chemistry.

Conclusion

Masahiko Kusumoto's innovative contributions to chemical production methods have established him as a significant figure in the industry. His patents reflect a commitment to advancing chemical processes and improving efficiency.

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