Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5634977 | Apparatus which comes in contact with molten metal and composite member and sliding structure for use in the same | Takahiko Ookouchi, Hiromi Kagohara, Mitsuo Nakagawa, Hitoshi Okoshi, Yoshitaka Nakayama | 1997-06-03 |
| 5380264 | Roller for use in molten metal bath | Takahiko Ookouchi, Hiromi Kagohara, Mitsuo Nakagawa, Hitoshi Okoshi, Yoshitaka Nakayama | 1995-01-10 |
| 5252130 | Apparatus which comes in contact with molten metal and composite member and sliding structure for use in the same | Takahiko Ookouchi, Hiromi Kagohara, Mitsuo Nakagawa, Hitoshi Okoshi, Yoshitaka Nakayama | 1993-10-12 |