Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464932 | Unburned carbon-containing refractory material and vessel for molten metal | Yasuhiro Hoshiyama, Atsushi Torigoe | 2002-10-15 |
| 6388211 | Method of molding a molding resin on a substrate having openings, switch substrate with a molding resin, method of forming a switch pattern on a switch substrate, and a switch substrate | Nobuyuki Yagi, Kozo Morita | 2002-05-14 |