Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823713 | Sewing machine with an ultrasonic heater for folding back sewn edges | Akira Takeuchi, Hisataka Mizutani | 1989-04-25 |
YO
Yoshitake Ogawa
Overall (1989): #40,541 of 140,708Top 30%
1
Patents 1989