Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6134091 | Spin-valve magneto-resistive head with horizontal type structure | Haruo Urai, Keishi Ohashi | 2000-10-17 |
| 4825428 | Optomagnetic recording, reading and erasing method and implementing apparatus which permits overwriting of previously recorded information | — | 1989-04-25 |
| 4319188 | Magnetic rotary encoder for detection of incremental angular displacement | Susumu Ito, Morimasa Nagao, Keizo Morita | 1982-03-09 |
| 4274053 | Magnetic rotary encoder for detection of absolute values of angular displacement | Susumu Ito | 1981-06-16 |