Manabu Oguma

7 Patents

• US123065332025

  Optical Device Manufacturing Method and Manufacturing Apparatus Using Local Etching

  NTT Electronics Corporation

  0 cites
• US121076262024

  Wavelength Monitoring Device and Controlling Method Thereof

  Nippon Telegraph And Telephone Corporation

  0 cites
• US119828372024

  Interposer Circuit

  NIPPON TELEGRAPH AND TELEPHONE CORPORATION

  0 cites
• US119828392024

  Optical 90 Degree Hybrid Circuit

  NIPPON TELEGRAPH AND TELEPHONE CORPORATION

  0 cites
• US119735352024

  Wavelength Monitoring Circuit

  NIPPON TELEGRAPH AND TELEPHONE CORPORATION

  0 cites
• US118357612023

  Planar Optical Waveguide Circuit

  NIPPON TELEGRAPH AND TELEPHONE CORPORATION

  0 cites
• US116564052023

  Optical Multi/demultiplexing Circuit

  NIPPON TELEGRAPH AND TELEPHONE CORPORATION

  0 cites