Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4712742 | Preparation of deashed high solid concentration coal-water slurry | Takayuki Ogawa, Hideaki Ito, Hayami Ito, Shuhei Tatsumi, Shoichi Takao +5 more | 1987-12-15 |
NK
Naokazu Kimura
Electric Power Development Co.: 1 patents #44 of 132Top 35%
Sumitomo Heavy Industries: 1 patents #424 of 917Top 50%
Overall (All Time): #3,987,171 of 4,157,543Top 100%
1
Patents All Time