Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9403422 | Plug door device | Kazutama Takahashi | 2016-08-02 |
| 9316030 | Door opening and closing apparatus | Kazutama Takahashi | 2016-04-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9403422 | Plug door device | Kazutama Takahashi | 2016-08-02 |
| 9316030 | Door opening and closing apparatus | Kazutama Takahashi | 2016-04-19 |