Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5194709 | Method for checking a spot welded portion and spot welding machine | Wataru Ichikawa, Yuji Matsuki, Seiji Hirohashi, Yasuyuki Mizutani, Yuji Taya +2 more | 1993-03-16 |