Patents/Inventors

Nobukazu Hirai

TokyoJP3 patents

4 Patents

US119930942024
Reversible Recording Medium and Exterior Member
Sony Corporation
0 cites
US118658532024
Thermosensitive Recording Medium and Exterior Member
Sony Corporation
0 cites
US118230042023
Information Medium, Recording Apparatus, and Reading Apparatus
Sony Group Corporation
0 cites
US116671422023
Reversible Recording Medium and Exterior Member
Sony Corporation
0 cites