Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5233887 | Quick return mechanism for a drilling machine | Michihiro Shoji | 1993-08-10 |
| D329438 | Portable drill | Michihiro Shouji, Masunari Kowada, Toshio Mikiya | 1992-09-15 |
| 5087157 | Electromagnetic base drill with intermittent feed | Michihiro Shoji | 1992-02-11 |
| 5035549 | Boring apparatus | Michihiro Shoji, Masunari Kowada | 1991-07-30 |
| 4854787 | Boring device | Yasumasa Ooki, Toshio Mikiya | 1989-08-08 |
| 4824299 | Chip breaking device for annular cutters | Michihiro Shoji | 1989-04-25 |
| 4820088 | Boring device | Yasumasa Ooki, Toshio Mikiya | 1989-04-11 |
| 4793746 | Boring device | Yasumasa Ooki, Toshio Mikiya | 1988-12-27 |
| 4770569 | Boring device | Yasumasa Ooki, Toshio Mikiya | 1988-09-13 |