Issued Patents 2024
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12134914 | Lock knob attachment, lavatory door, and method for mounting lock knob attachment | Hisaya Hagiwara | 2024-11-05 |
| 11939062 | Aircraft lavatory unit | Hisaya Hagiwara, Robert Keiichi Nakamoto | 2024-03-26 |
| 11859405 | Handle attachment and lavatory door | Hisaya Hagiwara | 2024-01-02 |