Patents by Inventor Masashi Kunitake

Masashi Kunitake 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 DEVICE
    Publication number: 20220136992
    Abstract: An electrode device includes a first electrode, a second electrode, and an ion-conducting medium extending over and in contact with the first electrode and the second electrode. The ion-conducting medium is made of a bicontinuous microemulsion including a water phase as a continuous phase and an oil phase as a continuous phase. At least one of the water phase and the oil phase is a gel.
    Type: Application
    Filed: February 3, 2020
    Publication date: May 5, 2022
    Inventors: Masashi KUNITAKE, Kyosei GOTO, Mitsunobu TAKEMOTO, Tatsuya KITAHARA
  • Security Device and Authentication Device
    Publication number: 20180056702
    Abstract: A security device including a pair of transparent substrates having waveguides, wherein, in a waveguide of at least one of the pair of substrates there is disposed a luminescent material that emits light by simultaneously irradiating a first type light and a second type light having different wavelengths, and the first type light and the second type light are made incident on the respective waveguides in a state where the pair of substrates are overlapped with each other and the waveguides are in contact with each other, and thereby the contact part between the waveguides emits light.
    Type: Application
    Filed: August 10, 2017
    Publication date: March 1, 2018
    Inventors: Satoshi WATANABE, Kaiki TOKUMARU, Masashi KUNITAKE
  • Optically active polysilane, optically active film, and method of controlling optical characteristics of solid thin film
    Patent number: 6716373
    Abstract: There is disclosed an optically active polysilane represented by the following general formula: wherein R1 and R2 are a combination of (R)-3,7-dimethyloctyl group and (S)-3-methylpentyl group, R3 is an alkyl group having 3 to 20 carbon atoms and formed of a branched structure which is branched at any one of the first to fourth carbon atoms positioned away from the backbone chain, R4 is a straight-chain alkyl ether group having 2 to 22 carbon atoms, or a straight-chain alkyl group having 2 to 22 carbon atoms, x is a number ranging from 0.01 to 0.99, and n is a number ranging from 10 to 100,000.
    Type: Grant
    Filed: November 20, 2002
    Date of Patent: April 6, 2004
    Assignee: Nara Institute of Science and Technology
    Inventors: Michiya Fujiki, Masashi Kunitake, Akihiro Ohira
  • OPTICALLY ACTIVE POLYSILANE, OPTICALLY ACTIVE FILM, AND METHOD OF CONTROLLING OPTICAL CHARACTERISTICS OF SOLID THIN FILM
    Publication number: 20040041133
    Abstract: There is disclosed an optically active polysilane represented by the following general formula: 1
    Type: Application
    Filed: November 20, 2002
    Publication date: March 4, 2004
    Inventors: Michiya Fujiki, Masashi Kunitake, Akihiro Ohira
  • Endotoxin adsorbent, and a method of removing endotoxin by using the same
    Patent number: 6699386
    Abstract: This invention provides an adsorbent having a high ability to adsorb endotoxin selectively and a method of adsorbing endotoxin. The adsorbent comprises a basic substance bonded to a base material by means of a crosslinking agent.
    Type: Grant
    Filed: March 1, 2002
    Date of Patent: March 2, 2004
    Assignee: Chisso Corporation
    Inventors: Masami Todokoro, Chuichi Hirayama, Masashi Kunitake, Masayo Sakata
  • Endotoxin adsorbent, and a method of removing endotoxin by using the same
    Publication number: 20020130082
    Abstract: This invention provides an adsorbent having a high ability to adsorb endotoxin selectively and a method of adsorbing endotoxin. The adsorbent comprises a basic substance bonded to a base material by means of a crosslinking agent.
    Type: Application
    Filed: March 1, 2002
    Publication date: September 19, 2002
    Applicant: Chisso Corporation
    Inventors: Masami Todokoro, Chuichi Hirayama, Masashi Kunitake, Masayo Sakata