Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11156190 | Occlusion diagnosis device | Hiroki Ishikawa, Michinori Tani, Ikue HABU | 2021-10-26 |
| 10928276 | Blockage detection device and blockage detection method | Hiroki Ishikawa, Michinori Tani, Ikue HABU | 2021-02-23 |
| 10712228 | Blockage diagnosis device | Yuichiro Murata, Hiroki Ishikawa | 2020-07-14 |
| 10677198 | Blockage detection system and blockage detection method | Yuichiro Murata, Masahiro Fujii, Hidenori Sakai, Shuma Yatabe | 2020-06-09 |
| 10514010 | Fuel level estimation device and abnormality diagnostic apparatus for closed fuel vapor system | Michinori Tani, Hiroki Ishikawa, Yuichiro Murata, Ikue HABU | 2019-12-24 |
| 10092960 | Chuck device | — | 2018-10-09 |
| 8172713 | Rotation output device | — | 2012-05-08 |
| 7721867 | Rotation output device | — | 2010-05-25 |
| 7063201 | Power tool and spindle lock system | Robert W. Klemm | 2006-06-20 |
| 6722668 | Chuck having quick change mechanism | Mark S. Huggins, Stephen W. Steadings | 2004-04-20 |
| 6702090 | Power tool and spindle lock system | Robert W. Klemm | 2004-03-09 |
| 6533291 | Chuck having quick change mechanism | Mark S. Huggins, Stephen W. Steadings | 2003-03-18 |
| 6261041 | Clamping screw | — | 2001-07-17 |
| 6010426 | Lock device of output shaft | — | 2000-01-04 |
| 5984320 | Tool chuck | — | 1999-11-16 |
| 5871322 | Clamp screw | — | 1999-02-16 |
| 5810533 | Screw for fastening | — | 1998-09-22 |
| 5732805 | Lock device of output shaft | — | 1998-03-31 |
| 5577870 | Tightening screw | — | 1996-11-26 |
| 5577872 | Torque enhancing tightening screw | — | 1996-11-26 |
| 5567100 | Torque enhancing clamping nut | — | 1996-10-22 |
| 5322303 | Tool chuck | — | 1994-06-21 |
| 5261679 | Keyless type tool chuck | — | 1993-11-16 |
| 5172923 | Tool chuck | — | 1992-12-22 |
| 5044643 | Tool chuck | — | 1991-09-03 |