Company Filing History:
2 out of 136 
1 out of 2 
1 out of 832,761 Years Active: 2008-2011
Title: Innovations of Masahiko Sisido in Fluorescent Amino Acid Derivatives
Introduction
Masahiko Sisido is a prominent inventor based in Okayama, Japan. He has made significant contributions to the field of fluorescent amino acid derivatives, holding a total of three patents. His work focuses on developing substances that exhibit unique fluorescent properties, which have potential applications in various scientific fields.
Latest Patents
One of his latest patents is centered around fluorescent amino acid derivatives that can be excited under visible light. This invention aims to provide a fluorescent substance with higher photostability and a long fluorescence lifetime. The innovative approach involves creating a condensed polycyclic aromatic compound by modifying a compound with an acridone structure through substitution with an amino acid and further condensation with a benzene ring. The result is a fluorescent substance consisting of an amino acid-substituted benzoacridone derivative that is excitable under visible light.
Another notable patent by Sisido is focused on a fluorescent amino acid derivative that can be synthesized through simple steps. This derivative is particularly responsive to blue laser light and boasts improved light stability. The invention utilizes an acridone derivative substituted with an amino acid, incorporating an electrophilic substituent group between the two. This method diverges from conventional strategies by using a fluorescent acridone derivative as a starting material, allowing for a more efficient synthesis process.
Career Highlights
Masahiko Sisido has worked with reputable institutions, including Okayama University and Protein Express Co., Ltd. His research and innovations have garnered attention in the scientific community, contributing to advancements in the understanding and application of fluorescent substances.
Collaborations
Throughout his career, Sisido has collaborated with notable colleagues, including Masumi Taki and Takahiro Hohsaka. These partnerships have facilitated the exchange of ideas and expertise, further enhancing the impact of his work.
Conclusion
Masahiko Sisido's contributions to the field of fluorescent amino acid derivatives highlight his innovative spirit and dedication to scientific advancement. His patents reflect a commitment to developing new materials with practical applications, showcasing the importance of research in this area.