Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828136 | Can provided with easily openable closure and process for production thereof | Masayuki Kawahara, Toshiaki Watanabe, Shinya Otsuka | 1989-05-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828136 | Can provided with easily openable closure and process for production thereof | Masayuki Kawahara, Toshiaki Watanabe, Shinya Otsuka | 1989-05-09 |