Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420400 | Battery pack and electrical device | Tomomasa Nishikawa | 2025-09-23 |
| 11469699 | Work device | Yuki Ishikawa, Hayato Yamaguchi, Tomomasa Nishikawa, Tatsuya Ito | 2022-10-11 |