Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6410880 | Induction plasma torch liquid waste injector | Stephen Agnew, Tihiro Ohkawa, Leigh Sevier | 2002-06-25 |
| 6398920 | Partially ionized plasma mass filter | Tihiro Ohkawa, Robert L. Miller, Richard L. Freeman | 2002-06-04 |