Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7355020 | Stimulus responsive affinity chromatographic material and separation/purification method | Yukio Hasegawa | 2008-04-08 |
| 7012136 | Stimulus responsive affinity chromatographic material and separation/purification method | Yukio Hasegawa | 2006-03-14 |
| 6001934 | Process for the preparation of a functional group-containing polyarylene sulfide resin | Osamu Komiyama | 1999-12-14 |
| 5789533 | Polyarylene sulfide, a process for the preparation thereof and a composition comprising the same | Osamu Komiyama, Masaru Miyoshi, Yoshitaka Anazawa, Naohiro Mikawa, Kazuhiro Ichikawa | 1998-08-04 |
| 5777069 | Method of maufacturing a tubular extrusion molding product comprising a high molecular weight polyarylene sulfide | Takashi Tsuda, Osamu Komiyama | 1998-07-07 |
| 5342920 | Process for the preparation of polyarylene sulfide and an apparatus for the preparation thereof | Yoichi Imai, Toshiyuki Hirano, Osamu Komiyama | 1994-08-30 |