Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7169023 | Method and apparatus for manufacturing hourglass worm rolling die | Koji Kidowaki, Takayoshi Sasaki | 2007-01-30 |
| 5126084 | Method and apparatus for charging high-viscous material | Hiromitu Ibe, Kenji Matumoto, Masato Oda | 1992-06-30 |