Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5753004 | Method for refining molten metal and apparatus for same | Noboru Hanai, Kokichi Mikutsu, Tamiya Kishida, Mitsuru Suzuki, Katsumi Kanamoto +2 more | 1998-05-19 |
| 5735185 | Rotary-type sheet cutter | Takajiro Kondo, Masato Ashida | 1998-04-07 |
| 5411609 | Section steel wire of oil ring | Takao Karoake, Ken Nakamura | 1995-05-02 |
| 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 | Takao Karaoke, Ken Nakamura | 1994-04-19 |