Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5931305 | Powder classifier | Satoshi Akiyama, Takahiro Ichikawa, Naoto Tonoike, Taisuke Tanaka, Hiromi Omura +2 more | 1999-08-03 |
| 5845855 | Mechanical grinding apparatus | Yukiyoshi Yamada, Satoshi Akiyama, Takahiro Ichikawa | 1998-12-08 |