Patents by Inventor Tamotsu Okawa

Tamotsu Okawa 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).

  • Nozzle cleaning method, nozzle cleaning device, and automatic analyzer
    Patent number: 8574372
    Abstract: A nozzle cleaning method includes cleaning an outer wall of a dispenser nozzle after liquid is sucked and before the liquid is discharged and cleaning at least an inner wall of the dispenser nozzle after the liquid is discharged.
    Type: Grant
    Filed: November 9, 2009
    Date of Patent: November 5, 2013
    Assignee: Beckman Coulter, Inc.
    Inventors: Akihisa Kuroda, Mitsuhisa Kobayashi, Yoshihiro Kase, Tamotsu Okawa
  • NOZZLE CLEANING METHOD, NOZZLE CLEANING DEVICE, AND AUTOMATIC ANALYZER
    Publication number: 20100051060
    Abstract: A nozzle cleaning method includes cleaning an outer wall of a dispenser nozzle after liquid is sucked and before the liquid is discharged and cleaning at least an inner wall of the dispenser nozzle after the liquid is discharged.
    Type: Application
    Filed: November 9, 2009
    Publication date: March 4, 2010
    Applicant: Beckman Coulter, Inc.
    Inventors: Akihisa KURODA, Mitsuhisa Kobayashi, Yoshihiro Kase, Tamotsu Okawa
  • Electronic cash register
    Patent number: 4525799
    Abstract: An electronic cash register comprises a memory having a plurality of registering regions each allotted for each of the commodity departments, and a keyboard including numeral keys, whereby any of the registering regions of the memory are set to be utilizable by means of the keyboard. If and when a series of the commodity department codes are consecutive, the first commodity department code and the last commodity department code are entered by the keyboard, while the restricted number of digits of the unit prices being registerable is also entered. The registering regions corresponding to the respective commodity department codes between the first commodity department code and the last commodity department code are in succession designated by an address counter, and the restricted number of digits of the unit prices is loaded in the designated registering regions, whereby the series of the consecutive registering regions are set to be utilizable.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: June 25, 1985
    Assignee: Omron Tateisi Electronics Co.
    Inventors: Tamotsu Okawa, Hiromi Yuasa