Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8834983 | Disk roll and base material for disk roll | Masaaki Nakayama | 2014-09-16 |
| 8683691 | Disk roll and base material for disk roll | Masaaki Nakayama | 2014-04-01 |
| 8592021 | Disk roll and base material for disk roll | Masaaki Nakayama | 2013-11-26 |
| 7781043 | Disk roll and base material for disk roll | Masaaki Nakayama | 2010-08-24 |