Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6921517 | Process and apparatus for the pyrolysis of hydrocarbon gas | Shuzo Matsumura, Masaji Yoneta, Yoshito Umeda, Masao Hattori, Satoshi Hagi +2 more | 2005-07-26 |
RD
Rokuro Denda
The Japan Steel Works: 1 patents #307 of 643Top 50%
Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #3,454,226 of 4,157,543Top 85%
1
Patents All Time