Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4198229 | Method of dephosphorization of metal or alloy | Hiroyuki Katayama, Hiroyuki Kajioka, Yasushi Nakamura, Michihisa Ito, Kazuumi Harashima +1 more | 1980-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4198229 | Method of dephosphorization of metal or alloy | Hiroyuki Katayama, Hiroyuki Kajioka, Yasushi Nakamura, Michihisa Ito, Kazuumi Harashima +1 more | 1980-04-15 |