Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846916 | Method of manufacturing electric carpet via induction heating | Hiroshi Kobayashi, Osamu Sato, Kouji Nagahata | 1989-07-11 |
SY
Shuji Yamamoto
Overall (1989): #56,494 of 140,708Top 45%
1
Patents 1989