Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D560234 | Boring machine | — | 2008-01-22 |
| 7255008 | Vibration-testing system | Takehiro Fukushima, Shigehisa Tsutsumi | 2007-08-14 |
| 7121773 | Electric drill apparatus | Toshio Mikiya, Munenori Yamaguchi, Takashi Chiba, Kenji Ohtsuka | 2006-10-17 |
| 7001117 | Rotary cutting apparatus | Toshio Mikiya, Takashi Chiba, Munenori Yamaguchi, Kenji Ohtsuka | 2006-02-21 |
| D472251 | Drill stand | — | 2003-03-25 |
| 6109161 | Hydraulic driven tool controlling apparatus | Michihiro Shoji | 2000-08-29 |
| 6053258 | Hydraulic driven tool controlling apparatus | Michihiro Shoji | 2000-04-25 |
| 5992536 | Hydraulic drive tool controlling apparatus | Michihiro Shoji | 1999-11-30 |