Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616627 | Polypropylene resin composition, polypropylene resin foamed material and process for producing the same | Kouichirou Asao, Akinobu Sakamoto | 1997-04-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616627 | Polypropylene resin composition, polypropylene resin foamed material and process for producing the same | Kouichirou Asao, Akinobu Sakamoto | 1997-04-01 |