Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6109161 | Hydraulic driven tool controlling apparatus | Keisuke Shimada | 2000-08-29 |
| 6072675 | Control device for boring machine | Keiichi Murakami | 2000-06-06 |
| 6053258 | Hydraulic driven tool controlling apparatus | Keisuke Shimada | 2000-04-25 |
| 5992536 | Hydraulic drive tool controlling apparatus | Keisuke Shimada | 1999-11-30 |
| 5293156 | Hand tool driven by DC battery with multiple level battery condition indicator | Kenji Fukuda | 1994-03-08 |
| 5233887 | Quick return mechanism for a drilling machine | Osamu Asano | 1993-08-10 |
| 5096339 | Electromagnetic base drill with antifloating control means | — | 1992-03-17 |
| 5087157 | Electromagnetic base drill with intermittent feed | Osamu Asano | 1992-02-11 |
| 5035547 | Magnet base drill unit | — | 1991-07-30 |
| 5035549 | Boring apparatus | Osamu Asano, Masunari Kowada | 1991-07-30 |
| 5007776 | Controller for boring apparatus | — | 1991-04-16 |
| 4824299 | Chip breaking device for annular cutters | Osamu Asano | 1989-04-25 |
| 4789274 | Boring apparatus | Toshio Mikiya | 1988-12-06 |
| 4780654 | Control apparatus for drilling machine | Toshio Mikiya | 1988-10-25 |
| 4767245 | Annular hole cutter | Toshio Mikiya | 1988-08-30 |
| 4559577 | Drilling machine | Toshio Mikiya | 1985-12-17 |