Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350463 | Magnetically graduated steel bar | Takashi Tsukamoto | 1994-09-27 |
| 5299143 | Displacement detecting apparatus | Richard Hellinga, Yoichi Shimoura, Hideki Yamagata | 1994-03-29 |