Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5398348 | Water urinal | Yukio Tashiro, Noriyuki Matsui, Ryuzo Fukuda, Naoki Tsukamura | 1995-03-21 |
| 4667350 | Lavatory hopper flushing apparatus | Takao Ikenaga, Toshifumi Shigematsu, Tatsumi Hamanaka | 1987-05-26 |