Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1089974 | Wig grip cap | — | 2025-08-26 |
| 9653236 | Electromagnetic relay | Nobuyoshi Hiraiwa, Yasushi Saito, Kazutaka Nagamine, Yuki Kakoiyama | 2017-05-16 |
| 9007156 | Electromagnetic relay | Nobuyoshi Hiraiwa, Yasushi Saito, Yuki Kakoiyama | 2015-04-14 |