| 8951773 |
Production method for biofuel |
Hiroaki Kato, Ko Yamashita, Yukio Fukushima, Ken Amano, Takashi Kaneko +4 more |
2015-02-10 |
| 5457255 |
Catalysts for hydrogenolytic dealkylation and use thereof |
Fumio Kumata, Toshihiko Masuda |
1995-10-10 |
| 5277798 |
Sewage treatment equipment with activated sludge process bed |
— |
1994-01-11 |
| 5240597 |
Waste water treatment equipment |
— |
1993-08-31 |
| 4927530 |
Apparatus for processing sludge |
— |
1990-05-22 |
| 4766751 |
Apparatus for continuously producing tube having helical grooves in its inner surface |
— |
1988-08-30 |
| 4735071 |
Apparatus for continuously producing tube having helical grooves in its inner surface |
Minobu Sukimoto |
1988-04-05 |
| 4680111 |
Sewage treatment equipment with activated sludge process beds |
— |
1987-07-14 |
| 4678567 |
Activated sludge process bed |
— |
1987-07-07 |
| 4446688 |
Double twisting machine |
— |
1984-05-08 |