Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6564484 | Swimming element enjoying system | Nobuhiro Ikenaga | 2003-05-20 |
| 4684355 | Automobile having selective drive wheels | Shigeki Urakawa | 1987-08-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6564484 | Swimming element enjoying system | Nobuhiro Ikenaga | 2003-05-20 |
| 4684355 | Automobile having selective drive wheels | Shigeki Urakawa | 1987-08-04 |