RI

Ryuichi Imamura

HC Hitachi Koki Co.: 27 patents #18 of 888Top 3%
HC Hitachi Koki Haramachi Co.: 1 patents #5 of 9Top 60%
SC Seirei Industry Co.: 1 patents #11 of 19Top 60%
Overall (All Time): #131,624 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
9950376 Miter saw having dust proof structure for bearing which allows cutting unit to move in parallel to base surface Hideaki Terashima, Shigeharu Ushiwata 2018-04-24
9174288 Slidable miter saw with guiding mechanism Shigeharu Ushiwata 2015-11-03
8770076 Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position Shigeharu Ushiwata, Shinji Takano, Hideaki Terashima, Kenichi Matsunaga 2014-07-08
8631733 Miter saw Masayuki Tajima 2014-01-21
8561513 Miter saw Shigeharu Ushiwata, Hideaki Terashima 2013-10-22
8359960 Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position Shigeharu Ushiwata, Shinji Takano, Hideaki Terashima, Kenichi Matsunaga 2013-01-29
8161859 Miter saw Shigeharu Ushiwata, Hideaki Terashima, Toshihiko Hayashizaki 2012-04-24
8061250 Miter saw having circular saw blade section pivotally movable upward and downward and tiltable leftward and rightward Shigeharu Ushiwata, Takamoto Horiuchi 2011-11-22
8047111 Miter saw having angle adjustment mechanism Shigeharu Ushiwata, Hideaki Terashima, Hiromi Ozawa, Toshihiko Hayashizaki 2011-11-01
7997177 Miter saw Shigeharu Ushiwata, Hideaki Terashima 2011-08-16
7930962 Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position Shigeharu Ushiwata, Shinji Takano, Hideaki Terashima, Kenichi Matsunaga 2011-04-26
7905167 Miter saw Shigeharu Ushiwata, Hideaki Terashima, Toshihiko Hayashizaki 2011-03-15
7886644 Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position Shigeharu Ushiwata, Shinji Takano, Hideaki Terashima, Kenichi Matsunaga 2011-02-15
7793575 Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position Shigeharu Ushiwata, Shinji Takano, Hideaki Terashima, Kenichi Matsunaga 2010-09-14
7726225 Miter saw having holder fixing mechanism Shigeharu Ushiwata 2010-06-01
7696450 Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position Shigeharu Ushiwata, Shinji Takano, Hideaki Terashima, Kenichi Matsunaga 2010-04-13
7669510 Miter saw having holder fixing mechanism Shigeharu Ushiwata 2010-03-02
7503246 Slide type miter saw Takamoto Horiuchi, Shigeharu Ushiwata 2009-03-17
7418894 Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position Shigeharu Ushiwata, Shinji Takano, Hideaki Terashima, Kenichi Matsunaga 2008-09-02
7387058 Miter saw having light beam projection device Shigeharu Ushiwata, Takashi Ozawa 2008-06-17
7383759 Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position Shigeharu Ushiwata, Shinji Takano, Hideaki Terashima, Kenichi Matsunaga 2008-06-10
7373866 Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position Shigeharu Ushiwata, Shinji Takano, Hideaki Terashima, Kenichi Matsunaga 2008-05-20
7367254 Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position Shigeharu Ushiwata, Shinji Takano, Hideaki Terashima, Kenichi Matsunaga 2008-05-06
7331264 Miter saw having mechanism for adjusting tilting angle of circular saw blade Hiromi Ozawa, Shigeharu Ushiwata, Hideaki Terashima 2008-02-19
7207251 Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position Shigeharu Ushiwata, Shinji Takano, Hideaki Terashima, Kenichi Matsunaga 2007-04-24