Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860214 | Shearing machine with sickle-shaped blade | Sumio Morikawa, Nobuyuki Zakohji, Masahiro Kondoh | 1999-01-19 |
| 5769341 | Stabilized crushing device | Sumio Morikawa, Nobuyuki Zakohji | 1998-06-23 |
| 5749146 | Scissors type steel shearing apparatus with polygonal shearing blades | Sumio Morikawa, Masahiro Kondoh | 1998-05-12 |
| 5743476 | Concrete crusher | Sumio Morikawa, Nobuyuki Zakohji | 1998-04-28 |
| 5669141 | Scissors type steel shearing apparatus with vertically displaced and angularly tilted shearing zones and transversely displaced interlocking portions | Sumio Morikawa, Masahiro Kondoh | 1997-09-23 |
| 5471747 | Steel material shearing machine | Sumio Morikawa, Masahiro Kondoh | 1995-12-05 |
| 5385311 | Breaking equipment | Sumio Morikawa, Hiroyuki Satone, Nobuyuki Zakohji | 1995-01-31 |
| 5291657 | Shearing machine for steel material | Sumio Morikawa, Masahiro Kondoh | 1994-03-08 |