Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139660 | High corrosion resisting alloy for diesel engine valve and method for producing the valve | Tomotaka Nagashima, Michio Okabe, Toshiharu Noda | 2000-10-31 |
| 6039919 | High corrosion resisting alloy for diesel engine valve | Tomotaka Nagashima, Michio Okabe, Toshiharu Noda | 2000-03-21 |