Isao Nishizawa

3 Patents

• US122769492025

  Valve State Grasping System, Display Device and Rotary Valve, Valve State Grasping Program, Recording Medium, and Valve State Grasping Method

  KITZ CORPORATION

  0 cites
• US118920972024

  Valve State Grasping System Using Motion Sensor Fixed to Valve Stem

  KITZ CORPORATION

  0 cites
• US117615562023

  Valve Wear State Grasping Method and System Using Valve Stem Angular Velocity

  KITZ CORPORATION

  0 cites