Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8091231 | Spinning method of a work piece in a non-circular cylindrical shape and apparatus for the same | — | 2012-01-10 |
| 6311908 | Crushing method for waste containing materials unfit for crushing and apparatus for its practice | Takao Kajiyama, Kohei Kawamura, Ryozou Kushida | 2001-11-06 |