Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685229 | Railway car body structures and method of making them | Mamoru Ohara, Morishige Hattori, Yoshinao Okumoto, Masato Okazaki, Michifume Takeichi +1 more | 1997-11-11 |
| 5433151 | Railway car body structures and methods of making them using welded honeycomb panels connected in an edge to edge relation | Mamoru Ohara, Morishige Hattori, Yoshinao Okumoto, Masato Okazaki, Michifumi Takeichi +1 more | 1995-07-18 |