Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10502490 | Maintenance management device and method for high-temperature furnace equipment | Shigeki Ishii, Yuichi Kumazawa, Satoshi Kadoya | 2019-12-10 |
| 10274196 | Combustion controlling system | Tomoya Nakata, Yuichi Kumazawa | 2019-04-30 |