Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497819 | Method and apparatus for treating waste water | Kei Baba, Toshiaki Tsubone, Shinichi Endo, Yukihiko Okamoto | 2002-12-24 |
| 6387254 | Apparatus for wastewater treatment | Masahisa Tanabe, Toshiaki Tsubone, Jun Miyata, Kei Baba, Satoru Udagawa +1 more | 2002-05-14 |