Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5557925 | Piping installation for low temperature fluid | Hideki Kawamura, Shuichi Murayama, Yukinobu Nishikawa | 1996-09-24 |
| 5546765 | Air separating unit | Takashi Nagamura | 1996-08-20 |
| 5499506 | Ultra-high purity monosilane producing process and unit | Takashi Nagamura | 1996-03-19 |
| 5478547 | Ultra-high purity nitrogen generating method | Takashi Nagamura, Takao Yamamoto | 1995-12-26 |
| 5470543 | Ultra-high purity nitrogen generator | Takashi Nagamura, Takao Yamamoto | 1995-11-28 |
| 5441719 | Ultra-high purity nitrogen generating method | Takashi Nagamura, Takao Yamamoto | 1995-08-15 |
| 5337571 | Process and installation for the production of oxygen gas under high pressure by air distillation | Marc Ducrocq | 1994-08-16 |