Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644172 | Sliding device | Shogo Muramatsu, Akira Takenaka | 2003-11-11 |
| 6626084 | Semi-spherical shoe | Shogo Muramatsu, Akira Takenaka | 2003-09-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644172 | Sliding device | Shogo Muramatsu, Akira Takenaka | 2003-11-11 |
| 6626084 | Semi-spherical shoe | Shogo Muramatsu, Akira Takenaka | 2003-09-30 |