Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860214 | Shearing machine with sickle-shaped blade | Sumio Morikawa, Toshiji Ohga, Nobuyuki Zakohji | 1999-01-19 |
| 5758039 | Small size printer having multiple font sizes | Kazunori Shibata, Kiyoshi Baba, Tsutomu Egashira, Kenichi Ohsato, Yuji Tanaka +2 more | 1998-05-26 |
| 5749146 | Scissors type steel shearing apparatus with polygonal shearing blades | Sumio Morikawa, Toshiji Ohga | 1998-05-12 |
| 5669141 | Scissors type steel shearing apparatus with vertically displaced and angularly tilted shearing zones and transversely displaced interlocking portions | Sumio Morikawa, Toshiji Ohga | 1997-09-23 |
| 5626301 | Steel material shearing machine | Sumio Morikawa | 1997-05-06 |
| 5471747 | Steel material shearing machine | Sumio Morikawa, Toshiji Ohga | 1995-12-05 |
| 5291657 | Shearing machine for steel material | Sumio Morikawa, Toshiji Ohga | 1994-03-08 |