Patents by Inventor Motoko Okuhara

Motoko Okuhara 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: 5102775
    Abstract: A composition for visible light sensitive electrodeposition coating which comprises (A) a photocurable resin having light sensitive groups capable of being crosslinked or polymerized by light irradiation and ionic groups, (B) a sensitizer which is excited by absorption of visible light and has a property to interact with the resin (A), (C) a water-insoluble polymerization initiator, and optionally, (D) at least one specific nitrogen-containing compound; and an image-forming method which comprises (i) coating the surface of a conductor by electrodeposition with the aforesaid composition, (ii) exposing the resulting film by electrodeposition by partially irradiating the film with visible light, and then (iii) contacting the resulting film with a developing solution to remove the unexposed areas.
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: April 7, 1992
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Motoko Okuhara, Ichiro Yoshihara, Yasuo Doi, Takao Yamamoto, Kenji Seko, Yutaka Yoshikawa, Naozumi Iwasawa
  • Patent number: 5045434
    Abstract: A visible radiation sensitive composition comprising:(A) a photosetting resin containing a photosensitive group capable of crosslinking or polymerizing by photoirradiation,(B) a sensitizer represented by the formula (i): ##STR1## wherein R.sub.1 and R.sub.2 are the same or different lower alkyl, and R.sub.3 is a hydrogen atom, lower alkyl group, alkoxyalkyl group, hydroxyalkoxyalkyl group or alkoxycarbonylalkyl group, and(C) a polymerization initiator.
    Type: Grant
    Filed: December 18, 1990
    Date of Patent: September 3, 1991
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Ichiro Yoshihara, Motoko Okuhara, Takao Yamamoto, Naozumi Iwasawa, Yasuo Doi, Tsukasa Ohyama, Kazuhiko Murayama, Yoriaki Matsuzaki, Susumu Kasamatsu, Keisuke Takuma, Kimitoshi Kato