Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5730073 | Waste flon disposal method | — | 1998-03-24 |
| 5679316 | Activated carbon, production thereof and adsorption using activated carbon | Yoshihiro Ikenaga | 1997-10-21 |
| 5630367 | Activated carbon and production thereof | Yoshihiro Ikenaga | 1997-05-20 |
| 5620506 | Activated carbon, production thereof and adsorption using activated carbon | Yoshihiro Ikenaga | 1997-04-15 |
| 5494500 | Activated carbon, production thereof and adsorption using activated carbon | Yoshihiro Ikenaga | 1996-02-27 |
| 5438029 | Activated carbon and production thereof | Yoshihiro Ikenaga | 1995-08-01 |