Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690797 | Hydrogen and oxygen gas generating system | Hiroyuki Harada, Takashi Sasaki, Kiyoshi Hirai, Shinichi Yasui, Hiroko Kobayashi | 1997-11-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690797 | Hydrogen and oxygen gas generating system | Hiroyuki Harada, Takashi Sasaki, Kiyoshi Hirai, Shinichi Yasui, Hiroko Kobayashi | 1997-11-25 |