Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11773460 | Steel pipe and method for producing steel pipe | Yuji Arai, Atsushi Soma, Hiroki Kamitani | 2023-10-03 |
| 11643712 | Steel pipe and method for producing steel pipe | Yuji Arai, Atsushi Soma, Hiroki Kamitani | 2023-05-09 |
| 11581701 | Nitride semiconductor laser element and illumination light source module | Hideo Kitagawa, Isao Kidoguchi | 2023-02-14 |