Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4992216 | Method for producing ozone-containing water | Hisayuki Kawano, Takeshi Utsuki | 1991-02-12 |
| 4665039 | Porous glass, process for its production and glass material used for the production | Yoshinori Kokubu, Jiro Chiba | 1987-05-12 |