Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12206336 | Power converter | Koichiro Kushida, Masahiro Katsumura | 2025-01-21 |
| 5496589 | Curing composition and method for impregnating wood | Ichiro Igarashi, Hiroyuki Ota | 1996-03-05 |