Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7523789 | Tractor | Tatsuo Yamaguchi, Noboru Yamamoto, Shigenori Sakikawa, Shingo Araki | 2009-04-28 |
| D542308 | Tractor | Yozo Oka, Nobuaki Takahashi, Noboru Yamamoto | 2007-05-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7523789 | Tractor | Tatsuo Yamaguchi, Noboru Yamamoto, Shigenori Sakikawa, Shingo Araki | 2009-04-28 |
| D542308 | Tractor | Yozo Oka, Nobuaki Takahashi, Noboru Yamamoto | 2007-05-08 |