Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10618052 | Media-circulation type pulverizer | Tsuyoshi Ishikawa, Yasuhiro Mitsuhashi, Tsubasa Nakajima | 2020-04-14 |
| 9089846 | Media-agitation type pulverizer | Tsuyoshi Ishikawa, Shogo Iwasawa | 2015-07-28 |