Inventor
Shigeharu Ushiwata
Inventor
Hitachinaka, JP
Overview
Patents· 35 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification36%
B23DPlaning34%
B26DCutting13%
B27BSaws for wood or similar material10%
B27GAccessory machines or apparatus for working wood or similar materials2%
LOC152%
F16CShafts1%
LOC081%
PatentTitleYear
9,950,376Miter saw having dust proof structure for bearing which allows cutting unit to move in parallel to base surface20189,174,288'Slidable miter saw with guiding mechanism'20158,770,076'Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position'20148,561,513'Miter saw'20138,359,960'Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position'20138,161,859'Miter saw'20128,127,650'Miter saw'20128,061,250'Miter saw having circular saw blade section pivotally movable upward and downward and tiltable leftward and rightward'20118,047,111'Miter saw having angle adjustment mechanism'20117,997,177'Miter saw'20117,930,962'Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position'20117,905,167'Miter saw'20117,886,644'Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position'20117,845,260'Miter saw'20107,793,575'Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position'20107,726,225'Miter saw having holder fixing mechanism'20107,696,450'Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position'20107,669,510'Miter saw having holder fixing mechanism'20107,503,246'Slide type miter saw'20097,418,894'Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position'20087,387,058'Miter saw having light beam projection device'20087,383,759'Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position'20087,373,866'Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position'20087,367,254'Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position'20087,331,264'Miter saw having mechanism for adjusting tilting angle of circular saw blade'20087,207,251'Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position'2007D0529936'Slide compound miter saw'2006D0513271'Sliding compound miter saw'20056,971,298'Miter saw with laterally tiltable circular saw blade'2005D0415000'Bench circular saw'19995,425,294'Desk-top cutting machine with tiltable saw'1995D0324055'Circular saw'19925,060,548'Desk-top circular saw'1991D0306031'Mitre saw'19904,869,142'Desk-top circular saw'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1995Patents assigned to HITACHI KOKI HARAMACHI CO LTD (5)· patent assignee history
1989–1995Based in Fukushima, JP· patent location history
1999–2018Patents assigned to HITACHI KOKI KK (30)· patent assignee history
1999Based in Haramachi, JP· patent location history
2005–2018Based in Hitachinaka, JP· patent location history
2011–2013Patents assigned to USHIWATA SHIGEHARU (5)· patent assignee history
2011–2013Patents assigned to IMAMURA RYUICHI (4)· patent assignee history
2012–2013Patents assigned to TERASHIMA HIDEAKI (3)· patent assignee history
2013–2015Based in Ibaraki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI KOKI KK | 30 | 1999–2018 |
| HITACHI KOKI HARAMACHI CO LTD | 5 | 1989–1995 |
| USHIWATA SHIGEHARUself | 5 | 2011–2013 |
| IMAMURA RYUICHI | 4 | 2011–2013 |
| TERASHIMA HIDEAKI | 3 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 26 | 2005–2018 |
| Fukushima, JP | 5 | 1989–1995 |
| Ibaraki, JP | 3 | 2013–2015 |
| Haramachi, JP | 1 | 1999 |