Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5460218 | Method for discharging gas out of metal molds and apparatus therefor | Noriyoshi Yamauchi, Hitoshi Ishida | 1995-10-24 |
| 5379826 | Apparatus for detecting defects at gas exhaust line in casting machine and method therefor | Hitoshi Ishida, Noriyoshi Yamauchi | 1995-01-10 |