Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11209182 | System for air-conditioning and hot-water supply | Hideo Chikami | 2021-12-28 |
| 11009268 | System for air-conditioning and hot-water supply | Hideo Chikami | 2021-05-18 |
| 10921023 | System for air-conditioning and hot-water supply | Hideo Chikami | 2021-02-16 |