Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10619407 | Sliding fire door | Nobuo Ogawa, Yoshihiro Hosaka, Takafumi Yamazaki | 2020-04-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10619407 | Sliding fire door | Nobuo Ogawa, Yoshihiro Hosaka, Takafumi Yamazaki | 2020-04-14 |