Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7991215 | Element splitting method, element splitting arithmetic device and damage extension analysis device | Tomonaga OKABE, Toshimichi Ogisu | 2011-08-02 |
| 7522269 | Bonded part peeling shape identification device | Toshimichi Ogisu, Tomonaga OKABE | 2009-04-21 |
| 4759214 | Method for determining fracture toughness of rock by core boring | Hideaki Takahashi, Hiroyuki Abe | 1988-07-26 |