Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11231181 | Heating and hot-water supply apparatus | Atsushi Fukaya | 2022-01-25 |
| 11168895 | Heating and hot-water supply apparatus | Shigeki Shimada, Yoshio Goto | 2021-11-09 |
| 9746201 | Combustion apparatus | — | 2017-08-29 |