Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5500170 | Heating and extruding method and device for bulk preform | Toshiaki Okumura, Takao Ekimoto, Satoshi Shimamoto, Katsumi Ogawa, Masahiro Tomita +1 more | 1996-03-19 |
| 5458838 | Heating and extruding method for bulk preform | Toshiaki Okumura, Takao Ekimoto, Satoshi Shimamoto, Katsumi Ogawa, Masahiro Tomita +1 more | 1995-10-17 |
| 4470446 | Method and apparatus for detecting molten metal surface level in a mold | Yoshiyuki Kamikawa, Kazuyoshi Nenbai, Hideki Yokoyama | 1984-09-11 |