Patents by Inventor Harukio Takeya

Harukio Takeya has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Fluorescent material of cyclic phenol sulfide associated with metal and composition thereof
    Publication number: 20030189190
    Abstract: A fluorescent material comprising an associate of a cyclic phenol sulfide selected from thiacarixarene, sulfinylated thiacarixarene and sulfonylated thiacarixarene represented by formula (1): 1
    Type: Application
    Filed: April 14, 2003
    Publication date: October 9, 2003
    Inventors: Sotaro Miyano, Nobuhiko Iki, Harukio Takeya, Kazuo Takeya