Patents by Inventor Katsuyoshi Hamai

Katsuyoshi Hamai 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).

  • Publication number: 20190134316
    Abstract: The present invention provides a needle unit configured to be mounted to medical syringe, the needle unit including a needle member having a longitudinally extending inner space and having a needle hole formed in a side surface of a front end and an opening formed in a base end, the inner space being in communication with the outside through the needle hole and the opening, a base portion for supporting the base end of the needle member and communicating between the syringe and the inner space of the needle member by being attached to the syringe, a slide member movable along an outer peripheral surface of the needle member and capable of taking a first position to close the needle hole and a second position to uncover the needle hole in the base end portion side of the first position, a biasing member that biases the slide member from the second position side to the first position side; and a cap removably mounted to the base portion and is configured to cover the needle member.
    Type: Application
    Filed: June 10, 2016
    Publication date: May 9, 2019
    Applicant: OTSUKA PHARMACEUTICAL FACTORY, INC.
    Inventors: Masaki NISHIOKA, Osamu TAKIGUCHI, Katsuyoshi HAMAI, Tetsuya MASUDA, Fujio INOUE, Koichi TAKEDA
  • Patent number: 10159626
    Abstract: The present invention provides a lid cover (1) of a medicine container (2) for preventing a medicine, which is air-tightly stored in a medicine container (2) that has a lid portion (22) that can be pierced with a needle (33), from leaking to an outside space when the medicine is suctioned using a syringe (3) having the needle (33), the lid cover (1) including a peripheral wall portion (10) that can be mounted to the lid portion (22) so as to surround a piercing face of the lid portion (22) that is pierced with the needle (33) and a ceiling face portion (50) that is continuous with an upper portion of the peripheral wall portion (10), and can be pierced with the needle (33), wherein the peripheral wall portion (10) and the ceiling face portion (50) are made of an elastic material, and are configured to air-tightly store the piercing face such that the piercing face is not exposed to the outside space in a state where the peripheral wall portion (10) is mounted to the lid portion (22), while also forming a clos
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: December 25, 2018
    Assignee: OTSUKA PHARMACEUTICAL FACTORY, INC.
    Inventors: Masaki Nishioka, Osamu Takiguchi, Katsuyoshi Hamai, Tetsuya Masuda, Fujio Inoue, Koichi Takeda
  • Publication number: 20180147115
    Abstract: The present invention provides a lid cover (1) of a medicine container (2) for preventing a medicine, which is air-tightly stored in a medicine container (2) that has a lid portion (22) that can be pierced with a needle (33), from leaking to an outside space when the medicine is suctioned using a syringe (3) having the needle (33), the lid cover (1) including a peripheral wall portion (10) that can be mounted to the lid portion (22) so as to surround a piercing face of the lid portion (22) that is pierced with the needle (33) and a ceiling face portion (50) that is continuous with an upper portion of the peripheral wall portion (10), and can be pierced with the needle (33), wherein the peripheral wall portion (10) and the ceiling face portion (50) are made of an elastic material, and are configured to air-tightly store the piercing face such that the piercing face is not exposed to the outside space in a state where the peripheral wall portion (10) is mounted to the lid portion (22), while also forming a clos
    Type: Application
    Filed: March 4, 2016
    Publication date: May 31, 2018
    Applicant: Otsuka Pharmaceutical Factory, Inc.
    Inventors: Masaki NISHIOKA, Osamu TAKIGUCHI, Katsuyoshi HAMAI, Tetsuya MASUDA, Fujio INOUE, Koichi TAKEDA
  • Publication number: 20150290079
    Abstract: There is provided a drug container storage device used for performing sucking of a drug contained in a drug container using a syringe, the syringe having a passage portion through which a liquid is sucked in and discharged, and the drug container having a lid portion that can be penetrated by the passage portion. The drug container storage device has a main body portion including a closed space configured to accommodate the drug container and a first opening; and an elastic sealing portion configured to hermetically seal the first opening of the main body portion and that can be penetrated by the passage portion of the syringe. The main body portion is configured to accommodate the drug container such that a space is formed between the lid portion of the accommodated drug container and the elastic sealing portion.
    Type: Application
    Filed: October 2, 2013
    Publication date: October 15, 2015
    Applicants: OTSUKA TECHNO CORPORATION, OTSUKA PHARMACEUTICAL FACTORY, INC.
    Inventors: Masaki Nishioka, Osamu Takiguchi, Katsuyoshi Hamai, Tetsuya Masuda, Fujio Inoue, Takashi Yoshinari
  • Publication number: 20150005734
    Abstract: The present invention provides an exposure prevention cover that prevents exposure to a drug solution, pharmaceuticals or the like, an exposure prevention cover module provided with the same, a drug solution supply system, and a drug solution supply method.
    Type: Application
    Filed: December 26, 2012
    Publication date: January 1, 2015
    Applicants: OTSUKA PHARMACEUTICAL FACTORY, INC., OTSUKA TECHNO CORPORATION
    Inventors: Fujio Inoue, Junya Shiga, Masaki Nishioka, Osamu Takiguchi, Katsuyoshi Hamai