Ryohei Sumiyoshi

4 Patents

• US123117512025

  Tank and Method of Manufacturing a Tank

  KUBOTA CORPORATION

  0 cites
• USRE0503662025

  Hydraulic System for Work Machine, and Work Machine

  KUBOTA CORPORATION

  0 cites
• USD10230742024

  Portion of a Tractor

  KUBOTA CORPORATION

  0 cites
• US116440982023

  Hydraulic System of Work Machine and Work Machine

  KUBOTA CORPORATION

  0 cites