Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12389613 | Semiconductor structure | Wei Wang, Cheng-Yu Tsai, Shou-Zen Chang | 2025-08-12 |
| 12076817 | Laser welding device | Toru Sakai, Atsuhiro Kawamoto, Junji Fujiwara | 2024-09-03 |
| 12017299 | Laser welding method | Toru Sakai, Kenta Kubota, Takashi Urashima, Daichi Higashi | 2024-06-25 |
| 11999008 | Laser welding device and laser welding method | Toru Sakai, Takashi Urashima, Daichi Higashi | 2024-06-04 |
| 11964339 | Laser welding device and laser welding method | Toru Sakai | 2024-04-23 |
| 11872657 | Welding system, and method for welding workpiece in which same is used | Narumi Atsuta, Toru Sakai, Masashi Yoshida | 2024-01-16 |
| 11511370 | Laser welding method | Toshiyuki Mishima, Toru Sakai, Kenta Kubota, Kensuke Urata | 2022-11-29 |
| 7847211 | Light radiating conditions selecting method, light radiating conditions selecting device, and soldering device | Tomoko Fukunaka, Masashi Ishiguro, Kenji Takahashi, Shinsuke Kurahashi | 2010-12-07 |
| 6287750 | Method of manufacturing semiconductor device in which opening can be formed with high precision | — | 2001-09-11 |
| 5700348 | Method of polishing semiconductor substrate | — | 1997-12-23 |
| 5690544 | Wafer polishing apparatus having physical cleaning means to remove particles from polishing pad | — | 1997-11-25 |
| 4523175 | Dual shaft rotary electric device | — | 1985-06-11 |