Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694858 | Railway vehicle with micro pressure wave reducing contour for tunnel travel | Iwao Harada, Morishige Hattori, Kazuhiko Hiraoka | 1997-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694858 | Railway vehicle with micro pressure wave reducing contour for tunnel travel | Iwao Harada, Morishige Hattori, Kazuhiko Hiraoka | 1997-12-09 |