Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355084 | Optical magnetic-field sensor having spherical lenses for light collimation | Hisakazu Okajima | 1994-10-11 |
| 5345427 | Ultrasonic transducer | Yoshihiko Ishida, Makoto Tani | 1994-09-06 |