Kouji Watanabe

3 Patents

• US125709462026

  Sensor Unit and Cell Culture Analysis Device Having Same

  PHC HOLDINGS CORPORATION

  0 cites
• US122711482025

  Drum Unit Having Electrical Contact Surface Positioned at Outer Surface of Frame and Image Forming Apparatus Provided with the Same

  BROTHER KOGYO KABUSHIKI KAISHA

  0 cites
• US118530022023

  Drum Unit Having Electrical Contact Surface Positioned at Outer Surface of Frame and Image Forming Apparatus Provided with the Same

  BROTHER KOGYO KABUSHIKI KAISHA

  0 cites