Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8758652 | Tungsten cathode material | Akira Matsuo, Yasutsugu Ueno, Keiji Hara, Keiichi Ozuka | 2014-06-24 |
| 8471169 | Electrode for spot welding | Shingo Mukae, Kenji Okamura, Jun Kurobe, Hiroshi Asada, Shouji Inoue +1 more | 2013-06-25 |