Osamu Sakamoto

3 Patents

• US123720432025

  Stirling Engine

  YANMAR HOLDINGS CO., Ltd.

  0 cites
• US119766092024

  Stirling Engine

  YANMAR HOLDINGS CO., Ltd.

  0 cites
• US115726142023

  Multi-chamber Heat Treatment Device

  IHI MACHINERY AND FURNACE CO., Ltd.

  0 cites