Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8998213 | Mechanical seal device and processing apparatus | Takeshi Kojima | 2015-04-07 |
| 8091441 | Method for evaluating dispersibility of powder and method for evaluating concentration of airborne powder, and method for designing containment facility using the same | Shuzo Kojima, Naruaki Watanabe | 2012-01-10 |