Patents by Inventor Kyouhei Tsunashima

Kyouhei Tsunashima 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).

  • WAFER SEPARATION METHOD, WAFER SEPARATION AND TRANSFER METHOD, AND SOLAR CELL WAFER SEPARATION AND TRANSFER METHOD
    Publication number: 20150004741
    Abstract: A wafer separation apparatus improves wafer separation performance in separation and transfer and suppresses the occurrence of wafer breakage in separation and transfer, while remaining inexpensive and small. The apparatus includes: a cassette that vertically accommodates a large number of single wafers in intimate contact with each other, the cassette being at least vertically opened; a cassette support that removably supports the cassette, the cassette support being at least vertically opened; a hoisting unit that hoists and lowers the cassette support integrally with the cassette; a liquid bath that accommodates a liquid into which the cassette support is immersed integrally with the cassette when the hoisting unit descends; a nozzle in the inside of the liquid bath to issue micro bubbles from the underside of the cassette support toward a large number of the wafers; and a micro bubble generator that generates micro bubbles to be issued from the nozzle.
    Type: Application
    Filed: September 16, 2014
    Publication date: January 1, 2015
    Inventors: Ichiki KUSUHARA, Kyouhei TSUNASHIMA
  • Wafer separation apparatus, wafer separation and transfer apparatus, wafer separation method, wafer separation and transfer method, and solar cell wafer separation and transfer method
    Patent number: 8863957
    Abstract: A wafer separation apparatus improves wafer separation performance in separation and transfer and suppresses the occurrence of wafer breakage in separation and transfer, while remaining inexpensive and small. The apparatus includes: a cassette that vertically accommodates a large number of single wafers in intimate contact with each other, the cassette being at least vertically opened; a cassette support that removably supports the cassette, the cassette support being at least vertically opened; a hoisting unit that hoists and lowers the cassette support integrally with the cassette; a liquid bath that accommodates a liquid into which the cassette support is immersed integrally with the cassette when the hoisting unit descends; a nozzle in the inside of the liquid bath to issue micro bubbles from the underside of the cassette support toward a large number of the wafers; and a micro bubble generator that generates micro bubbles to be issued from the nozzle.
    Type: Grant
    Filed: January 12, 2010
    Date of Patent: October 21, 2014
    Assignee: Kabushiki Kaisha Watanabe Shoko
    Inventors: Ichiki Kusuhara, Kyouhei Tsunashima
  • WAFER SEPARATION APPARATUS, WAFER SEPARATION AND TRANSFER APPARATUS, WAFER SEPARATION METHOD, WAFER SEPARATION AND TRANSFER METHOD, AND SOLAR CELL WAFER SEPARATION AND TRANDSFER METHOD
    Publication number: 20120006726
    Abstract: A wafer separation apparatus improves wafer separation performance in separation and transfer and suppresses the occurrence of wafer breakage in separation and transfer, while remaining inexpensive and small. The apparatus includes: a cassette that vertically accommodates a large number of single wafers in intimate contact with each other, the cassette being at least vertically opened; a cassette support that removably supports the cassette, the cassette support being at least vertically opened; a hoisting unit that hoists and lowers the cassette support integrally with the cassette; a liquid bath that accommodates a liquid into which the cassette support is immersed integrally with the cassette when the hoisting unit descends; a nozzle in the inside of the liquid bath to issue micro bubbles from the underside of the cassette support toward a large number of the wafers; and a micro bubble generator that generates micro bubbles to be issued from the nozzle.
    Type: Application
    Filed: January 12, 2010
    Publication date: January 12, 2012
    Applicants: KABUSHIKI KAISHA WATANABAE SHOKO, EXA CO., LTD.
    Inventors: Ichiki Kusuhara, Kyouhei Tsunashima