Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6544462 | Drawing method | Shinji Ota, Hirofumi Yashiro | 2003-04-08 |
| 6203902 | Drawing method and drawn material | Shinji Ota, Hirofumi Yashiro | 2001-03-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6544462 | Drawing method | Shinji Ota, Hirofumi Yashiro | 2003-04-08 |
| 6203902 | Drawing method and drawn material | Shinji Ota, Hirofumi Yashiro | 2001-03-20 |