Hideo Utsunomiya

2 Patents

• US125287222026

  Compressed Air Jet Device

  UTSUNOMIYA KOGYO CO., Ltd.

  0 cites
• US121867612025

  Spout Nozzle for Scum Removal Device and Water Conduit with That Spout Nozzle for Scum Removal Device

  UTSUNOMIYA KOGYO CO., Ltd.

  0 cites