Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5525224 | Apparatus for improving city water | Kiwamu Yamamoto | 1996-06-11 |
| 5512265 | Method of producing aqueous solution of slaked lime and apparatus therefor | Kiwamu Yamamoto, Koju Suto | 1996-04-30 |
| 5391302 | Method of improving city water | Kiwamu Yamamoto | 1995-02-21 |