Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451246 | Molten metal vessel for filtering impurities | Tomoyuki Hatano, Takeshi Nagasaka, Sumi Yoshikawa, Shunji Moohizuki | 2002-09-17 |
| 6335309 | Die release lubricant | Tomoyuki Hatano, Tadao Okura | 2002-01-01 |