Patents by Inventor Katsuhiko HOSHINO

Katsuhiko HOSHINO 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: 11924133
    Abstract: Provided is a radio communication device which can separate propagation paths of antenna ports and improve a channel estimation accuracy even when using virtual antennas. The device includes: a mapping unit which maps a data signal after modulation to a virtual antenna and a virtual antenna; a phase inversion unit which inverts the phase of S0 transmitted from an antenna port in synchronization with a phase inversion unit between the odd-number slot and the even-number slot; the phase inversion unit which inverts the phase of R0 transmitted from the antenna port; a phase inversion unit which inverts the phase of S1 transmitted from an antenna port in synchronization with a phase inversion unit; and the phase inversion unit which inverts the phase of R1 transmitted from an antenna port.
    Type: Grant
    Filed: March 24, 2023
    Date of Patent: March 5, 2024
    Assignee: Sun Patent Trust
    Inventors: Seigo Nakao, Masayuki Hoshino, Atsushi Sumasu, Katsuhiko Hiramatsu
  • Publication number: 20220241903
    Abstract: Provided is a joint structure. The joint structure includes a first structure, and a second structure joined to the first structure via a joint portion formed of a Au—Sn-based alloy, wherein a thickness of the joint portion is 3 ?m or more and 50 ?m or less.
    Type: Application
    Filed: March 25, 2020
    Publication date: August 4, 2022
    Inventors: Masamoto TANAKA, Kiyotsugu KOMORI, Keisuke AKASHI, Katsuhiko HOSHINO, Tsunekazu YAMAZAKI, Takayuki KOBAYASHI, Sukeyoshi YAMAMOTO, Kensuke MISAWA