Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464935 | Steel for shaft | Kenji Takahashi, Michio Okabe | 2002-10-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464935 | Steel for shaft | Kenji Takahashi, Michio Okabe | 2002-10-15 |