Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D932448 | Switch panel for ships | Ryosuke Ohashi, Koichi Kanda, Kiyoyuki Okuyama | 2021-10-05 |
| D922449 | Machinery panels | Kiyoyuki Okuyama, Keiichi Nishihara, Yoshihiro Hayami, Yoshihito Hayama | 2021-06-15 |