Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8490435 | Optical fiber end processing method and optical fiber end processing apparatus | Masao Tachikura | 2013-07-23 |
| 5172250 | Hologram scale having moisture resistance | Hideki Tsuchiya, Kenichi Sato | 1992-12-15 |
| 4523381 | Scaling device | Akihisa Narimatsu | 1985-06-18 |
| 4492922 | Magnetic sensor with two series-connected magnetoresistive elements and a bias magnet for sensing the proximity of a relatively movable magnetically permeable member | — | 1985-01-08 |
| 4429276 | Magnetoresistive displacement sensor and signal reprocessing circuits therefor | Akihisa Narimatsu | 1984-01-31 |
| 4400890 | Length measuring device | Hiroshi Maru, Yoshito Kato, Toshio Hashimoto | 1983-08-30 |
| 4401944 | Displacement detector having first and second magnetoresistive elements with a bias field at 45.degree. to each element | Akihisa Narimatsu | 1983-08-30 |
| 4361805 | Magnetoresistive displacement sensor arrangement | Akihisa Narimatsu | 1982-11-30 |
| 4296377 | Magnetic signal field sensor that is substantially immune to angular displacement relative to the signal field | — | 1981-10-20 |