Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7544259 | Copper alloy, copper alloy producing method, copper complex material, and copper complex material producing method | Hiroki Baba, Shinya Ohyama, Toshiyuki Horimukai | 2009-06-09 |
| 6071464 | Process for modifying surfaces of hard materials and cutting tools | Mitsuo Kuwabara, Kazuhito Hiraga, Tetsuya Ohishi | 2000-06-06 |
| 5945167 | Method of manufacturing composite material | Mitsuo Kuwabara, Kazuhito Hiraga, Tetsuya Ohishi | 1999-08-31 |
| 5704994 | Method of case-hardening shaped object | Mitsuo Kuwabara, Kazuhito Hiraga, Tetsuya Ohishi | 1998-01-06 |