Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398560 | Ceiling panel mounting support structure with improved mounting structure | — | 2025-08-26 |
| 5591334 | Apparatus for generating negative ions | Shigeki Shimizu | 1997-01-07 |
| 4523770 | Roller bicycle | — | 1985-06-18 |