Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5066134 | Fluid agitator | Hiroshi Ohbori, Yuji Yamauchi, Yataro Nagai, Mitsuyoshi Matsushita | 1991-11-19 |
| 4982373 | Fluid agitator | Yataro Nagai, Mitsuyoshi Matsushita, Hiroshi Ohbori, Yuji Yamauchi | 1991-01-01 |