Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10857629 | Aluminum alloy brazing sheet | Atsushi Fukumoto, Yasunaga Itoh, Shoichi Sakoda | 2020-12-08 |
| 10682730 | Aluminum alloy brazing sheet | Yasunaga Itoh, Yutaka Yanagawa | 2020-06-16 |
| 10661395 | Aluminum-alloy brazing sheet | Junichi Ichikawa, Yasunaga Itoh, Yutaka Yanagawa | 2020-05-26 |