Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6130328 | Process for preparing carboxypolysaccharide | Masafumi Shimpo, Hisashi Sakaitani, Hidechika Wakabayashi | 2000-10-10 |
| 6111097 | Process for producing carboxypolysaccharide | Hiromitsu Nagashima, Hisashi Sakaitani, Hidechika Wakabayashi | 2000-08-29 |
| 4239741 | Process for producing hydrazine sulfate | Tomiya Isshiki, Tetsuo Tomita, Osamu Aoki, Mitsuo Abe, Norio Takeda +4 more | 1980-12-16 |