1
Tamao Morita: Engageable article using permanent magnet. Holman & Stern, June 12, 1984: US04453294 (171 worldwide citation)

A magnetic fastener using a permanent magnet. A first ferromagnetic plate and a permanent magnet attached thereto are mounted on a body of a handbag or the like, and a second ferromagnetic plate is mounted on a cover thereof so that the second ferromagnetic plate may be magnetically fastened to the ...


2
Tamao Morita: Clasp utilizing attractive force of permanent magnet. Holman & Stern, November 6, 1984: US04480361 (53 worldwide citation)

A magnetic clasp which protects magnetic records from being adversely affected by the magnetic induction lines of a magnet characterized in that the lines of magnetic induction inherent to the magnet are conveyed by the ferromagnetic end surface rather than diverged to outside in order to maximize t ...


3
Tamao Morita: Magnetic lock closure. Application Art Laboratories, Wenderoth Lind & Ponack, May 10, 1977: US04021891 (51 worldwide citation)

A magnetic lock closure used for a handbag or the like for closure comprising two separate parts at least one of which is formed as a female device in a permanent magnet of a cylindrical or any other shape having a hole or slit centrally thereof and its opposite ends magnetized in a different polari ...


4
Tamao Morita: Stopper using a magnet. Holman & Stern, June 26, 1984: US04455719 (38 worldwide citation)

A magnetic fastener comprising a first fastening element, including a permanent magnet having oppositely facing pole faces of opposite polarity and at least one peripheral edge, the magnet having a hole extending between the first pole face and the second pole face, a first ferromagnetic plate in co ...


5
Tamao Morita: Door stopper. Pennie & Edmonds, April 30, 1991: US05010622 (35 worldwide citation)

The present invention relates to improvements in door stoppers for keeping doors open. More particularly, the invention offers door stoppers which facilitate opening/closing of the door by the attraction of a permanent magnet, prevent damage to the attracting member by causing the attracting member ...


6
Tamao Morita: Magnetic fastener. Holman & Stern, October 20, 1987: US04700436 (33 worldwide citation)

A magnetic fastener comprising a permanent magnet member having first and second sides of opposite polarity, a first magnetic pole plate attached at the first side of the magnet member, a second magnetic pole plate removably attachable on the second side of the magnet member, the pole plates being m ...


7
Tamao Morita: Fastener means. Tarmo, Pennie & Edmonds, January 4, 1994: US05274889 (33 worldwide citation)

The present invention relates to a fastener means which utilizes the attraction force of a permanent magnet and which is characterized in that a ferromagnetic member attached to one of the magnetic pole surfaces of an annular permanent magnet constituting the fastener means and having a through-hole ...


8
Tamao Morita: Fastener means. Tarmo, Pennie & Edmonds, September 1, 1992: US05142746 (28 worldwide citation)

The present invention relates to a fastener means which utilizes the attraction force of a permanent magnet and which is characterized in that a ferromagnetic member attached to one of the magnetic pole surfaces of an annular permanent magnet constituting the fastener means and having a through-hole ...


9
Tamao Morita: Magnetic fastener. Pennie & Edmonds, June 30, 1992: US05125134 (27 worldwide citation)

A magnetic fastener has a female member comprised of a permanent magnet having an axial hole therethrough and a ferromagnetic plate on one pole surface thereof, and a male member comprising a ferromagnetic plate-shaped member removably engageable against the other pole face of the permanent magnet a ...


10
Tamao Morita: Case or bag covered with a magnet shielding material. Holman & Stern, June 10, 1986: US04593736 (27 worldwide citation)

A case or bag for protecting and housing cards in which magnetically stored records are read out by a device to make various identifications, such as bank cards for automatic withdrawals, credit cards for purchasing goods and services on credit, membership cards for identifying membership of various ...