Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635815 | Electronic music providing apparatus | Juichi Kosakaya, Masumi Kizaki | 2003-10-21 |
| 6571150 | Management method of automatic vending machine and automatic vending machine | Shigeru Hanagata, Yasuhiro Yamazaki | 2003-05-27 |
| 6516997 | User authentication system | Takashi Tanazawa, Katsuyoshi Tajima, Yuuji Kobayashi | 2003-02-11 |