Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8956091 | Drilling tool | Terufumi Hamano, Michio Yamashita | 2015-02-17 |
| 8726526 | Portable cutting machine | Kazunobu Yoshimura, Tomofumi Ichiba, Atsuhito Okada | 2014-05-20 |
| 8047193 | Non-core drill bit | Naohide Murakami, Kazuhisa Morita | 2011-11-01 |
| 7568529 | Drill tool | Naohide Murakami | 2009-08-04 |
| 7103979 | Portable electric cutting device with blower mechanism | Kenichirou Yoshida, Hideyuki Tanimoto, Tomomasa Nishikawa, Shinji Takano, Kenji Niwa +2 more | 2006-09-12 |
| 6951057 | Portable circular saw having circular saw blade inclination angle controlling arrangement | Kenichirou Yoshida | 2005-10-04 |
| D475266 | Portable electric disc saw | Masato Sakai | 2003-06-03 |
| 5848472 | Rotatable circular saw with parallelism adjustment function | Naoya Eto, Hiroshi Sato, Kenji Niwa | 1998-12-15 |
| 5121545 | Electric circular saw with improved base tilting mechanism | Kimitaka Abo, Kouichi Sawada, Junichi Kikuchi, Yoshio Osada | 1992-06-16 |