Patents by Inventor Hiromasa Yokoi

Hiromasa Yokoi 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).

  • Condensation preventing vent structure
    Patent number: 5735738
    Abstract: A condensation preventing vent structure has therein at least one blade including an innermost vent to define a passage for a flow of air. The innermost fin is provided with open upper and lower ends to define therein an inner air flow passage. An air flow damper is provided above or in the innermost fin to restrict the air flow in the central portion of the flow passage.
    Type: Grant
    Filed: August 13, 1996
    Date of Patent: April 7, 1998
    Assignees: Ok Kizai, Inc., Kyoritsu Air Tech Inc.
    Inventors: Yukio Kuno, Akira Torimi, Kiyoshi Koga, Toshisuke Matsumura, Hiromasa Yokoi
  • Composition for forming hydrophilic coating
    Patent number: 4466832
    Abstract: A composition which comprises a mixture of:(a) an alkali metal silicate having an SiO.sub.2 /M.sub.2 O mole ratio of 2 to 5,(b) a hydrophilic silicic acid or silicate in the form of fine particles, and(c) a silane coupling agent, or an ortho-acid ester of a transition element in Group IV of the Periodic Table or a derivative of the esterforms hydrophilic coatings which are outstanding in durability, corrosion resistance and adhesion.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: August 21, 1984
    Assignee: Daikin Kogyo Company, Limited
    Inventors: Tatsushiro Yoshimura, Takeaki Nakazima, Hiromasa Yokoi