Ryuji Katayama

5 Patents

• US121581202024

  Cylinder Head, Cylinder Block, Internal Combustion Engine, and Method for Manufacturing Cylinder Head

  MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, Ltd.

  0 cites
• US120947102024

  Method of Forming Nitride Semiconductor Film

  OSAKA UNIVERSITY

  0 cites
• US120742032024

  Nitride Crystal, Optical Device, Semiconductor Device, and Method for Manufacturing Nitride Crystal

  OSAKA UNIVERSITY

  0 cites
• US119940842024

  Cylinder Head, Cylinder Block, Internal Combustion Engine, and Method for Manufacturing Cylinder Head

  MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, Ltd.

  0 cites
• US116770062023

  Nitride Crystal, Optical Device, Semiconductor Device, and Method for Manufacturing Nitride Crystal

  OSAKA UNIVERSITY

  0 cites