Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419770 | Cold-warm working and heat treatment method of high carbon-high alloy group steel | Shu Miyashita, Masami Tanaka, Saburo Sugiura | 2002-07-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419770 | Cold-warm working and heat treatment method of high carbon-high alloy group steel | Shu Miyashita, Masami Tanaka, Saburo Sugiura | 2002-07-16 |