Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4433724 | Electrode device for electrically heating underground deposits of hydrocarbons | Toshio Nagano, Toshiyuki Kobayashi, Takeo Inoue | 1984-02-28 |
NK
Nobutaka Koshirakawa
Overall (All Time): #4,030,179 of 4,157,543Top 100%
1
Patents All Time