Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10035132 | Polycondensation catalyst for producing polyester and method for producing polyester using the same | Toshikatsu Umaba, Hiromitsu Shimizu, Kenji Mori | 2018-07-31 |
| 9981248 | Polycondensation catalyst for producing polyester and method for producing polyester using the same | Toshikatsu Umaba, Hiromitsu Shimizu, Kenji Mori | 2018-05-29 |