Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6183713 | Method for producing nitrogen trifluoride by gas-solid reaction | Nobuyuki Tokunaga, Keizo Kojima | 2001-02-06 |
| 4859444 | Method of producing ultrafine particles of graphite fluoride | Yasushi Kita | 1989-08-22 |
| 4500678 | Lubricant comprising a partially defluorinated graphite fluoride | Yasushi Kita, Akira Sakanoue, Hisaji Nakano | 1985-02-19 |