Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7122676 | Process for the preparation of 5,5′-bi-1H-tetrazolediammonium salts using hydrazine hydrate and dicyan as starting materials | Shunji Hyoda, Masaharu Kita, Hirotoshi Sawada, Takahiro Ueta, Kohki Satoh | 2006-10-17 |
| 6433181 | Process for the preparation of highly pure 5,5′-bi-1H-tetrazolediammonium salts | Shunji Hyoda, Masaharu Kita, Atsushi Sugino, Takahiro Ueta, Koki Sato | 2002-08-13 |
| 6156906 | Process for the preparation of 5,5'-bi-1H-tetrazole salt | Shunji Hyoda, Masaharu Kita, Hirotoshi Sawada, Takahiro Ueta, Kohki Satoh +3 more | 2000-12-05 |
| 6040453 | Method for preparing 5,5'-bi-1H-tetrazole salt | Shunji Hyoda, Masaharu Kita, Hirotoshi Sawada, Sumio Otsuka, Yoshitaka Miyawaki +2 more | 2000-03-21 |