Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7021454 | Conveyor chain | Yoshihiro Murakami, Katsutoshi Shibayama | 2006-04-04 |
| 6918486 | Conveyor chain | Katsutoshi Shibayama, Yoshihiro Murakami | 2005-07-19 |
| 6910572 | Conveyor chain | Katsutoshi Shibayama, Yoshihiro Murakami | 2005-06-28 |