Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8637784 | Method for improving residual stress in tubular body | Takahiro Ota, Kazuhiko Kamo, Itaru Muroya, Seiji Asada, Kazuhiro Wakabayashi +1 more | 2014-01-28 |
| 8362389 | Apparatus for improving residual stress in tubular body and adjustment method of the same | Shuho Tsubota, Takashi Ishide, Takashi Akaba, Kenichi Kawanishi | 2013-01-29 |
| 8362393 | Method for improving residual stress in tubular body and apparatus for improving residual stress in tubular body | Takahiro Ota, Shuho Tsubota, Takashi Ishide, Kazuhiko Kamo, Noriaki Sugimoto +2 more | 2013-01-29 |
| 7690234 | Tip tool guide apparatus and method for bringing in tip tool guide apparatus | Norimasa Mori, Jun Fujita, Takahiro Ohta, Yasumi Nagura, Yoshimasa Tukamoto +1 more | 2010-04-06 |