Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6355210 | Powder-compacting method and apparatus | — | 2002-03-12 |
| 5472323 | Movable magnet type pump | Takatoshi Oyama, Sigeo Saito | 1995-12-05 |
| 5434549 | Moving magnet-type actuator | Takatoshi Oyama, Hiroyuki Sohno, Sigeo Saito | 1995-07-18 |
| 4706145 | Erasing head | Juro Sugiura | 1987-11-10 |
| 4596971 | Magnetic circuit device | Hiroyuki Sono | 1986-06-24 |