Patents by Inventor Terumi Yoshihara

Terumi Yoshihara 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).

  • Patent number: 6337089
    Abstract: A microcapsule containing core material and a capsule wall, in which the capsule wall of the microcapsule comprises: organopolysiloxane synthesized by polycondensing one or more compounds represented by the general formula (II): RnSi(OH)mY(4−m−n)  (II) wherein, m represents an integer from 1 to 4; n represents an integer from 0 to 3; m+n≦4; R represents an organic group in which a carbon atom is directly connected to a silicone atom, and when n is greater than 1, each of the R groups may be the same or different; and Y represents at least one group selected from the group consisting of an alkoxy group, hydrogen and siloxy group, and when (4−m−n) is greater than 1, each of the groups Y may be the same or different; provided that the compound (B) comprises at least one compound of formula(II) wherein m=2 or 3 and at least one of R group possesses affinity for at least one of a continuous phase and a dispersed phase; a method for producing the microcapsule; an
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: January 8, 2002
    Assignee: Seiwa Kasei Company, Limited
    Inventors: Masato Yoshioka, Akihiro Segawa, Emi Segawa, Koji Nosaka, Terumi Yoshihara, Takashi Adachi, Hiroshi Shintani, Yuka Ueda
  • Patent number: 6228968
    Abstract: A silane copolymer is described which is usable, for example, as an ingredient of cosmetics for skin, hair or the like; obtainable by polycondensing one or more organic silane compounds having a hydrophilic group represented by the following general formula (I): R1(3-m)Si(OH)mA—B  (I) wherein m represents 2 or 3, R1 represents an alkoxy group, a hydrogen atom or an alkyl group, A is a connecting moiety and represents a methylene group or the like, and B represents a hydrophilic organic group with one or more silane compounds represented by the following general formula (III): R2nSi(OH)pY(4-p-n)  (III) wherein n represents an integer from 0 to 2, p represents an integer from 2 to 4, n+p≦4, R2 represents an organic group in which a carbon atom is directly connected to the silicon atom, and Y represent at least one group selected from the group consisting of an alkoxy group, hydrogen atom and siloxy group and when 4-p-n is 2; and optionally further reacting the resulting c
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: May 8, 2001
    Assignee: Seiwa Kasei Company, Ltd.
    Inventors: Masato Yoshioka, Hiroshi Shintani, Akihiro Segawa, Terumi Yoshihara