Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365979 | Water producing apparatus | Tetsu Takeyama, Akira Ikeda, Toshie Yamamoto, Shigeho Katsurada | 1982-12-28 |
| 4344778 | Water producing apparatus | Hiromasa Matsuoka, Enju Nishiyama | 1982-08-17 |