Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6348243 | Container stoppers | Jess Paul Fuller, Steven J Watkins | 2002-02-19 |
| 6308871 | Pressure tube | Yusuke Shiratani, James N. Karamanos, Noriaki Yamauchi | 2001-10-30 |
| 6216924 | Pressure tube | Yusuke Shiratani, James N. Karamanos, Noriaki Yamauchi | 2001-04-17 |