Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12397369 | Welding method and welding apparatus | Takashi KAYAHARA, Toshiaki Sakai, Ryosuke NISHII, Takashi Shigematsu | 2025-08-26 |
| 12383980 | Welding method, welding device, metal stacked body, electrical component, and electrical product | Nobuyasu MATSUMOTO, Fumika NISHINO, Masamitsu KANEKO, Kazuyuki UMENO, Jun Terada +3 more | 2025-08-12 |
| 12208467 | Welding method and welding apparatus | Ryosuke NISHII, Kousuke Kashiwagi, Takashi KAYAHARA, Takashi Shigematsu | 2025-01-28 |
| 12115594 | Welding method and welding apparatus | Takashi KAYAHARA, Ryosuke NISHII, Koji Kirikae, Keigo MATSUNAGA, Takashi Shigematsu | 2024-10-15 |
| 12036624 | Welding method and welding apparatus | Takashi KAYAHARA, Toshiaki Sakai, Ryosuke NISHII, Takashi Shigematsu | 2024-07-16 |