Patents by Inventor Kazuo Kohmura

Kazuo Kohmura 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).

  • Water-repellent porous silica, method for preparation thereof and use thereof
    Publication number: 20020160207
    Abstract: Water-repellent porous silica having uniform pores, which comprises silica skeleton wherein fluorine atoms are fixed through covalent bonds and which has an alkali metal content of not more than 10 ppb, is synthesized. By the water-repellent porous silica, a water-repellent porous silica film having uniform pores, which is applicable to a light functional material or an electron functional material, a process for preparing the same and uses thereof can be provided.
    Type: Application
    Filed: October 29, 2001
    Publication date: October 31, 2002
    Inventors: Kazuo Kohmura, Akihiro Okabe, Takeshi Kubota, Yoshito Kurano, Masami Murakami