Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4424062 | Process and apparatus for chemically removing ash from coal | Yasumi Kamino, Shigenori Onitsuka, Takanobu Watanabe | 1984-01-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4424062 | Process and apparatus for chemically removing ash from coal | Yasumi Kamino, Shigenori Onitsuka, Takanobu Watanabe | 1984-01-03 |