Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044323 | Apparatus for improving residual stress of piping technical field | Takashi Akaba, Shuho Tsubota, Kenji Nishikawa, Noriaki Sugimoto, Takashi Ishide +1 more | 2011-10-25 |
| 7485828 | Residual stress improving apparatus for piping technical field | Takashi Akaba, Shuho Tsubota, Kenji Nishikawa, Noriaki Sugimoto, Takashi Ishide +1 more | 2009-02-03 |