Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4912987 | Measurement of sizes of falling particles | Hirokatsu Yashiro, Jiro Ohno, Yoshiteru Matsuo, Hiroshi Nishikawa, Katsuhiko Yui | 1990-04-03 |
| 4843894 | Measurement of sizes of falling particles | Hirokatsu Yashiro, Jiro Ohno, Yoshiteru Matsuo, Hiroshi Nishikawa, Katsuhiko Yui | 1989-07-04 |