Patents by Inventor Masakazu Kazama

Masakazu Kazama 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).

  • Coil
    Patent number: 5463365
    Abstract: A coil contains a winding part and a core. The winding part is formed of plural laminated sheets each having a winding pattern. Plural winding patterns are formed on at least one sheet. Each of the winding patterns has a different number of turns, and the winding patterns are formed around the core so as to be coaxial in the same winding direction. The winding patterns formed on the other sheets are connected via a through-hole, and an end of the winding pattern is connected to an input/output portion formed outside of the sheet.
    Type: Grant
    Filed: November 2, 1993
    Date of Patent: October 31, 1995
    Assignee: Murata Mfg. Co., Ltd.
    Inventors: Hidetoshi Iwatani, Masato Fujino, Shinji Matsumoto, Choichiro Fujii, Masakazu Kazama
  • Layered transformer coil having conductors projecting into through holes
    Patent number: 5386206
    Abstract: A layered coil, having high connection reliability, formed by alternately stacking a plurality of coil conductors and insulators. Outlet portions of the of coil conductors are connected with each other without using through holes. The coil conductors are formed on surfaces of insulating sheets so that the outlet portions of the coil conductors project from edges of the insulating sheets. The insulating sheets are stacked so that the outlet portions of the coil conductors can be connected, by spot welding or the like, with each other or with terminals in portions projecting from surfaces of the layered product.
    Type: Grant
    Filed: October 2, 1992
    Date of Patent: January 31, 1995
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Hidetoshi Iwatani, Masakazu Kazama, Masato Fujino