Tetsuya Ogawa

4 Patents

• US125044622025

  Audio Amplifier Circuit and Audio Output Device Using the Same

  ROHM CO., Ltd.

  0 cites
• US123527432025

  Tension Measuring Device

  NIHON KOHDEN CORPORATION

  0 cites
• US122157422025

  Sliding Member

  DAIDO METAL COMPANY Ltd.

  0 cites
• US115774872023

  Synthetic Resin Skin Material Composite and Method of Producing Synthetic Resin Skin Material Composite

  INOAC CORPORATION

  0 cites