Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878789 | Preparation process of acrylic acid ester polymer | Naohiko Uchiumi, Kenichi Hamada, Masaji Kato, Tomohiro Ono, Kazushige Ishiura | 2005-04-12 |
| 6831144 | Anionic polymerization process, and process for producing a polymer by the anionic polymerization process | Kenichi Hamada, Kazushige Ishiura, Masaji Kato | 2004-12-14 |
| 6767976 | Process for polymerizing a methacrylic ester or an acrylic ester | Kenichi Hamada, Kazushige Ishiura, Toru Takahashi, Makoto AKAI, Tomohiro Ono +1 more | 2004-07-27 |
| 6630554 | Process for polymerizing a methacrylic ester or an acrylic ester | Kenichi Hamada, Kazushige Ishiura, Toru Takahashi, Makoto AKAI, Tomohiro Ono +1 more | 2003-10-07 |
| 6555637 | Anionic polymerization process, and process for producing a polymer by the anionic polymerization process | Kenichi Hamada, Kazushige Ishiura, Masaji Kato | 2003-04-29 |
| 6329480 | Preparation process of acrylic acid ester polymer | Naohiko Uchiumi, Kenichi Hamada, Masaji Kato, Tomohiro Ono, Kazushige Ishiura | 2001-12-11 |