Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12397303 | Showerhead and bubble generating unit | Masateru Hirae, Takahiro Okumura, Hidetake Tanaka | 2025-08-26 |
| 11980898 | Showerhead and bubble generating unit | Masateru Hirae, Takahiro Okumura, Hidetake Tanaka | 2024-05-14 |