Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4775940 | Plowing depth detecting system for rotary plow | Tetsuya Nishida, Toshiya Fukumoto, Shigekazu Hasegawa | 1988-10-04 |
SN
Shouhei Nakai
Overall (All Time): #3,960,444 of 4,157,543Top 100%
1
Patents All Time