MN

Masakazu Negawa

DI Daicel Chemical Industries: 6 patents #115 of 893Top 15%
📍 Himeji, JP: #354 of 1,500 inventorsTop 25%
Overall (All Time): #887,696 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5770088 Simulated moving bed chromatographic separation process Hirokazu Ikeda, Fumihiko Shoji 1998-06-23
5763645 Process for recovering optical isomers and solvent process for using solvent by circulation and process for reusing optical isomers in optical resolution Fumihiko Shoji 1998-06-09
5498752 Process for recovering optical isomers and solvent, process for using solvent by circulation and process for reusing optical isomers in optical resolution Fumihiko Shoji 1996-03-12
5456825 Simulated moving bed separation system Fumihiko Shoji 1995-10-10
5434298 Process for recovering optical isomers and solvent, process for using solvent by circulation and process for reusing optical isomers in optical resolution Fumihiko Shoji 1995-07-18
5434299 Process for recovering optical isomers and solvent, process for using solvent by circulation and process for reusing optical isomers in optical resolution Fumihiko Shoji 1995-07-18