Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810965 | Position detecting apparatus using a magnetic sensor and a closed magnetic circuit with non-uniform magnetic flux distribution | Yoshiro Fujiwara, Yuji Kojima, Noboru Wakatsuki, Akira Hirano, Kazunari Komenou | 1989-03-07 |