Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5733465 | Process for producing cutting die and produced cutting die | Yasuo Sumikawa, Ryuichi Hayashi, Shigeo Ogawa | 1998-03-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5733465 | Process for producing cutting die and produced cutting die | Yasuo Sumikawa, Ryuichi Hayashi, Shigeo Ogawa | 1998-03-31 |