Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5996465 | Oil pressure device | Nobuyuki Zakohji | 1999-12-07 |
| 5860214 | Shearing machine with sickle-shaped blade | Toshiji Ohga, Nobuyuki Zakohji, Masahiro Kondoh | 1999-01-19 |
| 5813086 | Carpet cleaner and method for cleaning carpets | Saburo Ueno, Hiroyuki Satone | 1998-09-29 |
| 5769341 | Stabilized crushing device | Toshiji Ohga, Nobuyuki Zakohji | 1998-06-23 |
| 5749146 | Scissors type steel shearing apparatus with polygonal shearing blades | Toshiji Ohga, Masahiro Kondoh | 1998-05-12 |
| 5743476 | Concrete crusher | Toshiji Ohga, Nobuyuki Zakohji | 1998-04-28 |
| 5671892 | Shearing machine | Nobuyuki Zakohji | 1997-09-30 |
| 5669141 | Scissors type steel shearing apparatus with vertically displaced and angularly tilted shearing zones and transversely displaced interlocking portions | Toshiji Ohga, Masahiro Kondoh | 1997-09-23 |
| 5626301 | Steel material shearing machine | Masahiro Kondoh | 1997-05-06 |
| 5619881 | Double-scissors cutter | Noboru Nakayama, Nobuyuki Zakohji | 1997-04-15 |
| 5478019 | Universal breaker | Nobuyuki Zakohji | 1995-12-26 |
| 5471747 | Steel material shearing machine | Toshiji Ohga, Masahiro Kondoh | 1995-12-05 |
| 5385311 | Breaking equipment | Toshiji Ohga, Hiroyuki Satone, Nobuyuki Zakohji | 1995-01-31 |
| 5375329 | Heavy duty shear | Nobuyuki Zakoji | 1994-12-27 |
| 5359775 | Steel-material shearing machine | Hiroyuki Satone | 1994-11-01 |
| 5339525 | Reinforcing steel shear | — | 1994-08-23 |
| 5301882 | Concrete crusher | Nobuyuki Zakoji | 1994-04-12 |
| 5291657 | Shearing machine for steel material | Toshiji Ohga, Masahiro Kondoh | 1994-03-08 |
| 5146683 | Reinforcement cutter | Nobuyuki Zakoji | 1992-09-15 |