Masahisa Kawashima

3 Patents

• US123558482025

  Data Processing System, Data Providing System, Event Information Generating Apparatus, Data Processing Apparatus, Data Processing Method and Program

  NIPPON TELEGRAPH AND TELEPHONE CORPORATION

  0 cites
• US122381712025

  Information Communication Apparatus, Information Communication Method and Program

  NIPPON TELEGRAPH AND TELEPHONE CORPORATION

  0 cites
• US117578572023

  Digital Credential Issuing System and Method

  NTT RESEARCH, Inc.

  0 cites