Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5216040 | Rigid polyurethane foam and process for producing the same | Kazuyoshi Kuroishi, Reishi Naka, Isao Kobayashi, Kousuke Tanaka | 1993-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5216040 | Rigid polyurethane foam and process for producing the same | Kazuyoshi Kuroishi, Reishi Naka, Isao Kobayashi, Kousuke Tanaka | 1993-06-01 |