Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12288266 | Management server for managing digital content items sold in content market | Sumito Yoshikawa | 2025-04-29 |
| 12266024 | Content server, content selling system, and program | Sumito Yoshikawa | 2025-04-01 |