Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12395772 | Sound pickup device | Yoshifumi Hirose, Shinichi Yuzuriha | 2025-08-19 |
| 12389182 | Information processing method, recording medium, and information processing system | Ko Mizuno, Tomokazu Ishikawa | 2025-08-12 |
| 12120500 | Acoustic reproduction method, acoustic reproduction device, and recording medium | Tomokazu Ishikawa | 2024-10-15 |
| 12101622 | Sound reproduction method, non-transitory medium, and sound reproduction device | Hikaru USAMI, Tomokazu Ishikawa | 2024-09-24 |
| 12075232 | Acoustic reproduction method, recording medium, and acoustic reproduction system | — | 2024-08-27 |