Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10267579 | Method and apparatus for improving thermal efficiency of heating device | Narihito Nakagawa, Terumi Hisayuki, Motohide Toda, Hironaga Iguchi, Yoshikazu Matsumura +1 more | 2019-04-23 |