Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028997 | Resin seal ring and manufacturing method | Eiichirou Shimazu, Masaki Egami | 2011-10-04 |
| 7559555 | Resin seal ring and manufacturing method | Eiichirou Shimazu, Masaki Egami | 2009-07-14 |