Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308467 | Electrically regenerable demineralizing apparatus | Takanobu Sugo, Isao Ishigaki, Kunio Fujiwara, Hideaki Sekiguchi, Takayuki Saito | 1994-05-03 |
| 5308876 | Materials for removing suspended impurities and use thereof | Masahiro Hagiwara, Takeshi Izumi | 1994-05-03 |