Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D871681 | Joint for fire extinguishing equipment | Yutaka Tateishi | 2019-12-31 |
| 5739069 | Plasma process with radicals | Kaoru Usui | 1998-04-14 |
| 5591268 | Plasma process with radicals | Kaoru Usui | 1997-01-07 |