Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4447663 | Process for continuous fluorination of carbon | Toru Akiyama, Shoji Takagi, Tadayuki Maeda | 1984-05-08 |
| 4348363 | Apparatus for solid gas reaction | Toru Akiyama, Shoji Takagi, Tadayuki Maeda | 1982-09-07 |