Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4561800 | Method of heating a road surface and apparatus therefor | Toshiki Hatakenaka, Tetsuo Akiyama, Shinji Asada | 1985-12-31 |
| 4483620 | Regenerative heating and melting device for recovered asphalt concrete rubble | Takeshi Kimura | 1984-11-20 |