Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1053918 | Grinding machine | Kazuhiko Shibatani | 2024-12-10 |
| 10322486 | Grinding machine | Kikutoshi Okada, Shinji Nishio, Hidetaka Sugiura | 2019-06-18 |
| D640714 | Grinder | Eiji Fukuta, Kazuhiko Shibatani | 2011-06-28 |