Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7658238 | Impact drill | Kenji Kataoka, Kazuhide Ohzeki, Takuma Saito, Shinki Ohtsu, Shigeru Ishikawa +1 more | 2010-02-09 |
| 7093670 | Impact drill | Takuma Saito, Shinki Ohtsu, Kenji Kataoka, Kazuhide Ohzeki, Shigeru Ishikawa +1 more | 2006-08-22 |