Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9289749 | Polycondensation catalyst for producing polyester and production of polyester using the polycondensation catalyst | Keiichi Tabata, Akihiro Kamon, Jun Naito | 2016-03-22 |
| 8901029 | Polycondensation catalyst for producing polyester and method for producing polyester using the same | Keiichi Tabata, Akihiro Kamon, Jun Naito | 2014-12-02 |