Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10869151 | Speaker system, audio signal rendering apparatus, and program | Hisao Hattori | 2020-12-15 |
| 10547962 | Speaker arranged position presenting apparatus | Hisao Hattori, Ryuhji Kitaura | 2020-01-28 |