Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5837360 | Polypropylene-laminated steel sheet | Mamoru Ishii, Masaharu Mito, Satoshi Akiyama | 1998-11-17 |
| 5516397 | Polypropylene-laminated steel sheet and production thereof | Mamoru Ishii, Masaharu Mito, Satoshi Akiyama | 1996-05-14 |