Patents by Inventor Shinichiroh SAKASHITA

Shinichiroh SAKASHITA 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).

  • R-T-B BASED SINTERED MAGNET AND METHOD FOR PRODUCING SAME
    Publication number: 20170018342
    Abstract: An R-T-B based sintered magnet has a composition represented by the following formula (1) which satisfies the following inequality expressions (2) to (9): uRwBxGazAlvCoqTigFejM??(1) (R is at least one of rare-earth elements and indispensably includes Nd, M is an element except for R, B, Ga, Al, Co, Ti, and Fe, and u, w, x, z, v, q, g, and j are expressed in terms of % by mass). 29.0?u?32.0??(2) (heavy rare-earth elements RH account for 10% by mass or less of the R-T-B based sintered magnet) 0.93?w?1.00??(3) 0.3?x?0.8??(4) 0.05?z?0.5??(5) 0?v?3.0??(6) 0.15?q?0.28??(7) 60.42?g?69.57??(8) 0?j?2.0??(9) and satisfies other requirements.
    Type: Application
    Filed: February 27, 2015
    Publication date: January 19, 2017
    Applicant: HITACHI METALS, LTD.
    Inventors: Tomoki FUKAGAWA, Noriyuki NOZAWA, Takeshi NISHIUCHI, Daisuke FURUSAWA, Shinichiroh SAKASHITA