Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9770777 | Arc welding apparatus, arc welding method, arc welding system, and welded article | Masafumi Murakami | 2017-09-26 |
| 9553308 | Negative electrode material for sodium secondary battery and method for producing same, negative electrode for sodium secondary batter, and sodium secondary battery | Koichiro Ikeda, Yuta Ikeuchi, Takashi Mukai, Tetsuo Sakai, Kunihiko Tani +2 more | 2017-01-24 |