Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6901782 | Method and apparatus for forming a modified a cross-section wire material | Takao Mikami, Yoshiki Masugata | 2005-06-07 |
| 5304262 | Two-piece oil ring for use in internal combustion engine, steel wire of modified cross-section for use as material of the oil ring and method of producing the steel wire | Ken Nakamura, Iwao Kashiwagi | 1994-04-19 |