Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5980790 | Process for producing a copolymer | Shojiro Kuwahara, Yasushi Higuchi, Masahiro Kurokawa | 1999-11-09 |
| 5804676 | Process for preparing polymer | Masahiro Kurokawa, Yasushi Higuchi, Shojiro Kawahara | 1998-09-08 |
| 5719242 | Process for preparing methyl methacrylate polymer | Yasushi Higuchi, Shojiro Kuwahara, Masahiro Kurokawa | 1998-02-17 |
| 5708133 | Process for purifying polymer | Yasushi Higuchi, Shojiro Kuwahara, Masahiro Kurokawa | 1998-01-13 |
| 5599888 | Process for preparing methyl methacrylate polymer | Yasushi Higuchi, Shojiro Kuwahara, Masahiro Kurokawa | 1997-02-04 |
| 5250729 | Process for preparing unsaturated carboxylic acid or ester thereof | Takafumi Abe | 1993-10-05 |