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 | Keizi Arima, Masahiro Ohtsuki | 1986-12-16 |
SO
Seishi Ogata
Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #4,006,647 of 4,157,543Top 100%
1
Patents All Time