Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451959 | Catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyester | Takeshi Ohmatsuzawa, Fujito Ehara, Hideshi Hori, Kazuo Toyota, Junichi Imuta +8 more | 2002-09-17 |
| 6346070 | Catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyester | Takeshi Ohmatsuzawa, Fujito Ehara, Hideshi Hori, Kazuo Toyota, Junichi Imuta +8 more | 2002-02-12 |