Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4784837 | Absorbent for treating gases containing the materials used for semiconductor products and process of treating such gases with the same | Masayasu Kitayama, Yoshiaki Sugimori | 1988-11-15 |
| 4535072 | Absorbent for treating gases containing the materials used for semiconductor products and process of treating such gases with the same | Masayasu Kitayama, Yoshiaki Sugimori | 1985-08-13 |