Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11128277 | Method for producing composite wafer | Shoji Akiyama, Koji Kato | 2021-09-21 |
| 11057014 | Bonded substrate and a manufacturing method thereof, and a surface acoustic wave device using the said bonded substrate | Koji Kato, Yoshinori Kuwabara | 2021-07-06 |
| 11021810 | Lithium tantalate single crystal substrate, bonded substrate, manufacturing method of the bonded substrate, and surface acoustic wave device using the bonded substrate | Jun Abe, Koji Kato, Yoshinori Kuwabara | 2021-06-01 |
| 10886890 | Composite substrate for surface acoustic wave device, method of producing composite substrate for surface acoustic wave device, and surface acoustic wave device using composite substrate | Shoji Akiyama, Shozo Shirai | 2021-01-05 |