Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198949 | Method of producing epitaxial silicon wafer | Masayuki Tsuji | 2021-12-14 |
| 10959021 | Speaker device and audio data reproduction system | — | 2021-03-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198949 | Method of producing epitaxial silicon wafer | Masayuki Tsuji | 2021-12-14 |
| 10959021 | Speaker device and audio data reproduction system | — | 2021-03-23 |