Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6756011 | High-strength, high corrosion-resistant and non-magnetic stainless steel | Takeshi Koga, Tetsuya Shimizu | 2004-06-29 |
| 6752883 | Free-cutting Ni-base heat-resistant alloy | Kiyohito Ishida, Katsunari Oikawa, Shigeki Ueta, Takashi Ebata | 2004-06-22 |
| 6673165 | High-hardness martensitic stainless steel excellent in corrosion resistance | Takeshi Koga, Tetsuya Shimizu | 2004-01-06 |