Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832736 | Processing method of disposals and collecting method of foaming gas from foaming heat-insulator material thereof, and disposal processing apparatus and collecting apparatus thereof | Tetsurou Miyamoto, Eiji Satou, Masakatsu Hayashi, Chihiro Fukumoto | 2004-12-21 |
| 5122175 | Method of and apparatus for producing superpure nitrogen | Shozi Koyama, Takazumi Ishizu, Junichi Hosokawa, Masahiro Yamazaki, Shinjiroo Ueda | 1992-06-16 |