Patents by Inventor Mitsugi Ishida

Mitsugi Ishida 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: 8752252
    Abstract: A clasp in which magnetic leakage is reduced includes a pair of pieces which are to be engaged with each other. Both pieces, when being engaged, both may rotate about an axis common to both pieces. Both pieces are provided with a pair of permanent magnets held in both pieces. Both permanent magnets have front and rear surfaces in which multiple poles are magnetized, and when both pieces are engaged, the front surfaces of both permanent magnets face each other.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: June 17, 2014
    Inventors: Tomoyasu Ninomiya, Mitsugi Ishida
  • Publication number: 20110289737
    Abstract: A clasp in which magnetic leakage is reduced includes a pair of pieces which are to be engaged with each other. Both pieces, when being engaged, both may rotate about an axis common to both pieces. Both pieces are provided with a pair of permanent magnets held in both pieces. Both permanent magnets have front and rear surfaces in which multiple poles are magnetized, and when both pieces are engaged, the front surfaces of both permanent magnets face each other.
    Type: Application
    Filed: May 27, 2011
    Publication date: December 1, 2011
    Applicant: Seberu Pico Co., Ltd.
    Inventors: Tomoyasu NINOMIYA, Mitsugi Ishida
  • Publication number: 20070028429
    Abstract: A magnetic clasp for a purse is described that can advantageously aid those with limited dexterity by only requiring the connectors to be brought into proximity to engage the magnetic locking mechanism. The magnetic clasp includes a first magnetic connector and a second magnetic connector. The magnet of the first connector can move relative to the magnet of the second connector. The second magnetic connector can include a pin that aligns and accommodates the rotation of the first magnet between a first locked position and a second unlocked position.
    Type: Application
    Filed: August 4, 2005
    Publication date: February 8, 2007
    Inventor: Mitsugi Ishida
  • Publication number: 20060144086
    Abstract: A piece of jewelry formed by manipulating an endless metallic wire into a ball-seam-like object. The piece of jewelry can be used as a pendant that holds a semi-precious or precious jewel. Or a plurality of jewelry pieces can be linked together to form a jewelry chain, such as a necklace or bracelet. Jewels can then be placed into the jewelry pieces or links adding to the aesthetic value of the chain.
    Type: Application
    Filed: January 5, 2005
    Publication date: July 6, 2006
    Inventor: Mitsugi Ishida
  • Publication number: 20060096070
    Abstract: A magnetic clasp for securing a piece of jewelry that includes a first connecting device having a first cylindrical magnet with a top surface. The first cylindrical magnet has a hollow cylindrical section located at the center of the first top surface. Additionally, a second connecting device has a second cylindrical magnet with a second top surface. The second cylindrical magnet has a cylindrical protruding member located at the center of the second top surface. The protruding section of the second connecting device fits into the hollow section of the first connecting device. The magnetic clasp locks when the first and second connecting devices are brought together allowing opposite magnetic poles to face each other. To unlock the magnetic clasp the first and second connecting devices are rotatably turned allowing like poles to face each other.
    Type: Application
    Filed: November 9, 2004
    Publication date: May 11, 2006
    Inventor: Mitsugi Ishida
  • Patent number: 6085550
    Abstract: An adjustable ring is provided which consists of pivotally linked sections. One section is made of two telescopically engaged parts. One of these parts includes holes. The other part includes an axially displaceable element mounted on a pivotal segment of a decorative structure of the ring for engaging in the holes.
    Type: Grant
    Filed: February 9, 1998
    Date of Patent: July 11, 2000
    Inventor: Mitsugi Ishida
  • Patent number: D286387
    Type: Grant
    Filed: March 21, 1984
    Date of Patent: October 28, 1986
    Inventor: Mitsugi Ishida
  • Patent number: D286388
    Type: Grant
    Filed: March 21, 1984
    Date of Patent: October 28, 1986
    Inventor: Mitsugi Ishida
  • Patent number: D287232
    Type: Grant
    Filed: March 21, 1984
    Date of Patent: December 16, 1986
    Inventor: Mitsugi Ishida