Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374666 | Amine catalyst for producing polyurethane and process for producing polyurethane | Yutaka Tamano, Masaki Ishida | 1994-12-20 |
| 5304578 | Process for producing urethane foam having a high density skin layer | Yutaka Tamano | 1994-04-19 |