Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11841499 | Optical element and imaging lens | Tatsuya Oouchi | 2023-12-12 |
| 11555233 | Thick steel plate for structural pipes or tubes, method of producing thick steel plate for structural pipes or tubes, and structural pipes and tubes | Shusaku Ota, Junji Shimamura, Nobuyuki Ishikawa | 2023-01-17 |