Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8328293 | Shield machine | Yasunori Kondo, Hiroyoshi Iwata, Makoto Oda, Tooru Niihara, Isao Makiuchi +3 more | 2012-12-11 |
YS
Yasuyuki Sakai
Overall (All Time): #3,233,380 of 4,157,543Top 80%
1
Patents All Time