Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11814712 | Free-cutting copper alloy and method for producing free-cutting copper alloy | Keiichiro Oishi, Kouichi Suzaki | 2023-11-14 |
| 11788173 | Free-cutting copper alloy, and manufacturing method of free-cutting copper alloy | Keiichiro Oishi, Kouichi Suzaki | 2023-10-17 |
| 11680339 | Method of manufacturing group III nitride semiconductor substrate, group III nitride semiconductor substrate, and bulk crystal | Yujiro Ishihara, Shoichi Fuda, Tomohiro Kobayashi, Hitoshi Sasaki | 2023-06-20 |
| 11662374 | Group III nitride semiconductor substrate | Yujiro Ishihara | 2023-05-30 |