Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200166 | Purification of hydrogen peroxide solution | Shujiro Shiga, Yasuyoshi Sawaguri, Tatsuya Momobayashi | 1993-04-06 |
| 5115036 | Metallic ion sorber | Shujiro Shiga, Tadayuki Ohmae, Hisao Tanaka | 1992-05-19 |
| 5064879 | Method for sorbing metallic ions using ethylene-N,N-dialkyl aminoalkyl acrylates polymers | Shujiro Shiga, Tadayuki Ohmae, Hisao Tanaka | 1991-11-12 |