Hirofumi Okubo

4 Patents

• US123139602025

  Mounting Member and Projection Optical Apparatus

  SEIKO EPSON CORPORATION

  0 cites
• US123029372025

  Solid Objects Feeder and Apparatus for Manufacturing Food Product with Solid Objects Feeder

  RHEON AUTOMATIC MACHINERY CO., Ltd.

  0 cites
• US120726152024

  Projection Optical Apparatus That Is Removable Installed in a Light Emitting Apparatus and Projector

  SEIKO EPSON CORPORATION

  0 cites
• US119214072024

  Fixing Device, Projection Optical Device, and Projector

  SEIKO EPSON CORPORATION

  0 cites