Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6841061 | Antigelling agent for hydrocarbon mixture containing conjugated diene and method of preventing clogging of apparatus for separating and purifying the mixture | — | 2005-01-11 |
| 6770222 | Polymerization-inhibiting composition, polymerization inhibitor and method for inhibiting polymerization | Yuko Onodera | 2004-08-03 |
| 5298179 | Water absorbent, comprising magnetic material and water absorbent resin | Shinji Hirota, Masaaki Inoue | 1994-03-29 |