Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12287472 | Phase-contrast microscope with ring-structured fiber lighting and a conjugate-positioned annular phase film | Takashi Urashima | 2025-04-29 |
| 12017299 | Laser welding method | Michio Sakurai, Toru Sakai, Kenta Kubota, Takashi Urashima | 2024-06-25 |
| 11999008 | Laser welding device and laser welding method | Toru Sakai, Michio Sakurai, Takashi Urashima | 2024-06-04 |
| 11396061 | Laser welding apparatus and laser welding method | Jun Yokoyama, Takashi Urashima | 2022-07-26 |