Patents by Inventor Izumi Kubo

Izumi Kubo 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).

  • Electrode and sensor using same
    Publication number: 20060254909
    Abstract: To prevent an electrode improvable to measurement accuracy by using a novel self-assembled monolayer suppressing an influence of the interference substance in measuring an object to be measured, and a sensor using the same. The sensor has a modified electrode 12 and a counter electrode. The modified electrode 12 has a gold electrode 16 as an electrode base, a self-assembled monolayer 18 covering the gold electrode 16 and made of carboxyalkanethiol expressed by a chemical structural formula of HS(CH2)nCOOH (n=5 to 9), and an enzyme 19 immobilized on the self-assembled monolayer 18. When measuring fructose, FDH may be used as the enzyme 19. The self-assembled monolayer 18 allows Co(phen)32+ as a mediator to pass through selectivity when being formed of 7-carbxy-1-heptanethiol.
    Type: Application
    Filed: March 16, 2004
    Publication date: November 16, 2006
    Applicant: TAMA-TLO Corporation
    Inventors: Izumi Kubo, Nobuyoshi Maehara
  • Wrist watch
    Patent number: D359915
    Type: Grant
    Filed: July 14, 1994
    Date of Patent: July 4, 1995
    Assignee: Citizen Watch Co., Ltd.
    Inventor: Izumi Kubo
  • Wrist watch
    Patent number: D363030
    Type: Grant
    Filed: December 1, 1994
    Date of Patent: October 10, 1995
    Assignee: Citizen Watch Co., Ltd.
    Inventor: Izumi Kubo
  • Watch
    Patent number: D913123
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: March 16, 2021
    Assignee: Citizen Watch Co., Ltd.
    Inventors: Naoaki Okamura, Izumi Kubo