Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994398 | Assistant combustion agent for use in high-frequency combustion furnace | Takeshi Yamada, Katsuya Tsuji | 1991-02-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994398 | Assistant combustion agent for use in high-frequency combustion furnace | Takeshi Yamada, Katsuya Tsuji | 1991-02-19 |