Issued Patents All Time
Showing 1–5 of 5 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, Shuichi Nemugaki, Takahiro Ueta, Kohki Satoh | 2006-10-17 |
| 6194577 | Process for producing alicyclic hydrazine derivatives, tetra-hydropyridazine and hexahydropyridazine | Youichi Hasegawa, Shunji Hyoda, Hiroyuki Fujita, Yasuo Oki | 2001-02-27 |
| 6156906 | Process for the preparation of 5,5'-bi-1H-tetrazole salt | Shunji Hyoda, Masaharu Kita, Shuichi Nemugaki, Takahiro Ueta, Kohki Satoh +3 more | 2000-12-05 |
| 6040453 | Method for preparing 5,5'-bi-1H-tetrazole salt | Shunji Hyoda, Masaharu Kita, Shuichi Nemugaki, Sumio Otsuka, Yoshitaka Miyawaki +2 more | 2000-03-21 |
| 5977360 | Process for producing cyclic hydrazine derivatives, tetra-hydropyridazine and hexahydropyridazine | Youichi Hasegawa, Shunji Hyoda, Hiroyuki Fujita, Yasuo Oki | 1999-11-02 |