Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685169 | Method and apparatus for preparing high purity hydrogen bromide | Takashi Nagamura | 1997-11-11 |
| 5682761 | Ultra-high purity nitrogen generating method and unit | Takashi Nagamura, Takao Yamamoto | 1997-11-04 |
| 5658988 | Resinous composition for coating | Shinichi Ogino, Nobushige Numa, Hajime Sukejima | 1997-08-19 |
| 5632807 | Device for the separation of elements of a gas mixture by adsorption | Shuichi Muruyama, Marc Wagner | 1997-05-27 |
| 5617740 | Method of producing ultra high purity monosilane and apparatus therefor | Takashi Nagamura | 1997-04-08 |