Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487931 | Escapement cylinder | Koji Hara | 2002-12-03 |
| 6389876 | Material testing machine, test piece attachment set for the material testing machine, and method of conducting a material test with the material testing machine | Shinji Tanimura, Rongsheng Yin | 2002-05-21 |