Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5813969 | Process for detoxicating noxious wastes | Masao Sugihara | 1998-09-29 |
| 5714085 | Process for detoxicating noxious wastes and a detoxicating agent used for the process | Masao Sugihara | 1998-02-03 |