Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D933028 | Push-button switch | Junya TAKESHITA | 2021-10-12 |
| 10955201 | Heat exchanger, boiler, and setting method for heat exchanger | — | 2021-03-23 |
| 10132494 | Heat transfer tube including a groove portion having a spiral shape extending continuously and a rib portion extending continuously and protruding inward by the groove portion | Hiroyuki Nakaharai, Yuichi Kanemaki, Kazuhiro Domoto | 2018-11-20 |