Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7197425 | Road surface state estimating system and road surface state measuring apparatus | Junnosuke Katayama, Noritsugu Kusakari | 2007-03-27 |
| 5546123 | Automatic steering device for asphalt finisher | Hachiro Ikeda, Noriaki Miyamoto, Ryoei Umeda, Hidenori Yasu, Mitsuo Fukukawa +9 more | 1996-08-13 |
| 5484227 | Control device for asphalt finisher | Hachiro Ikeda, Noriaki Miyamoto, Ryoei Umeda, Hidenori Yasu, Mitsuo Fukukawa +9 more | 1996-01-16 |