Patents by Inventor Naoki Nokoshimatsu

Naoki Nokoshimatsu 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: 6931948
    Abstract: A multiple pipette (X) comprising a first pipette (1) and a second pipette (2), wherein the first pipette (1) allows a liquid stored in a liquid storing section (17a) to be delivered a plurality of times by a fixed amount each and the second pipette (2) allows a liquid drawn in from outside to be delivered all at a time. The first pipette (1) is designed to deliver a liquid a plurality of times by a fixed amount each, e.g., by utilizing a ratchet mechanism (12d, 13a). The first pipette (1) preferably has a cap (19) removably attached to the front end thereof.
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: August 23, 2005
    Assignee: Arkray, Inc.
    Inventors: Shigeru Doi, Naoki Nokoshimatsu, Hideki Nishimura
  • Publication number: 20030047010
    Abstract: A multiple pipette X according to the present invention includes a first pipette 1 and a second pipette 2. The first pipette 1 is capable of dispensing a liquid stored in a liquid storing section 17a divisionally a plurality of times each by a constant amount. The second pipette 2 is capable of dispensing a liquid sucked from the outside all at a time. The first pipette utilizes, for example, a ratchet mechanism 12d, 13a for dispensing the liquid divisionally a plurality of times each by a constant amount. Preferably, the first pipette 1 is provided with a cap 19 removably attached to the tip end thereof.
    Type: Application
    Filed: October 4, 2002
    Publication date: March 13, 2003
    Inventors: Shigeru Doi, Naoki Nokoshimatsu, Hideki Nishimura