Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8075233 | Bolt, the axial force of which is to be determined by a supersonic wave, and a method for the manufacturing thereof | Saburo Hasegawa, Koji Makino, Takashi Kato, Hideo Negishi | 2011-12-13 |