Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1058780 | Water heater | Tomoe Usami, Hiroaki Higashijima, Yoshikazu Kubo | 2025-01-21 |
| D1053999 | Water heater | Hiroaki Higashijima, Yoshikazu Kubo, Tomoe Usami | 2024-12-10 |
| D957597 | Water heater | Hiroaki Higashijima, Yoshikazu Kubo, Tomoe Usami | 2022-07-12 |
| D941972 | Water heater | Hiroaki Higashijima, Yoshikazu Kubo, Tomoe Usami | 2022-01-25 |