Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365979 | Water producing apparatus | Tetsu Takeyama, Kenkoku Azuma, Akira Ikeda, Toshie Yamamoto | 1982-12-28 |
| 4299599 | Water producing apparatus | Tetsu Takeyama, Kenkoku Azuma, Akira Ikeda, Toshie Yamamoto | 1981-11-10 |