Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6767386 | Method and apparatus for producing nitrogen | Masato Kawai, Masayoshi Hayashida, Yoshinori Watanabe, Shinichi Marumo | 2004-07-27 |
| 6752851 | Gas separating and purifying method and its apparatus | Masato Kawai, Tooru Nagasaka, Shigeru Hayashida | 2004-06-22 |
| 6743945 | Carboxylic acid and amino acid or amino condensate reactants and manufacturing method therefor | Taro Takahashi, Junko Tobe, Ryosuke Kiwata, Hirokazu Maeda | 2004-06-01 |
| 6710176 | Process for producing water-soluble polysaccharides, and method for clarifying water-soluble polysaccharide aqueous solutions | Hitoshi Furuta, Taro Takahashi, Ryosuke Kiwata, Hirokazu Maeda | 2004-03-23 |