Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4629166 | Exhaust-gas treatment system for a sealed-type converter | Seishi Ogata, Keizi Arima | 1986-12-16 |
MO
Masahiro Ohtsuki
Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #4,006,648 of 4,157,543Top 100%
1
Patents All Time